Update gh-pages site for 2556c83a04af1baf9dd69f6139e9ea61d39e7c6a

56 files changed, 392 insertions, 168 deletions

diff --git a/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer$.html b/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer$.html
index 225d11537..fa93c3fa5 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ArrayBuffer"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer.html b/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer.html
index 075afa6ea..f972df925 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ArrayBuffer.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ArrayBuffer"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ArrayBufferIterator.html b/api/strawman/collections/CollectionStrawMan1$/ArrayBufferIterator.html
index 2aab1177b..fc4608175 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ArrayBufferIterator.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ArrayBufferIterator.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ArrayBufferIterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/CanIterate.html b/api/strawman/collections/CollectionStrawMan1$/CanIterate.html
index 10179ef4f..60e94102e 100644
--- a/api/strawman/collections/CollectionStrawMan1$/CanIterate.html
+++ b/api/strawman/collections/CollectionStrawMan1$/CanIterate.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - CanIterate"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Cons$.html b/api/strawman/collections/CollectionStrawMan1$/Cons$.html
index 08f19beea..52901924f 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Cons$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Cons$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Cons"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Cons.html b/api/strawman/collections/CollectionStrawMan1$/Cons.html
index bc5fdb877..400f0c5ea 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Cons.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Cons.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Cons"
diff --git a/api/strawman/collections/CollectionStrawMan1$/FromIterator.html b/api/strawman/collections/CollectionStrawMan1$/FromIterator.html
index ea637844b..d648f4401 100644
--- a/api/strawman/collections/CollectionStrawMan1$/FromIterator.html
+++ b/api/strawman/collections/CollectionStrawMan1$/FromIterator.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - FromIterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterable.html b/api/strawman/collections/CollectionStrawMan1$/Iterable.html
index 54b320dbd..a2670eb1b 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterable.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterable.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Iterable"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterableFactory.html b/api/strawman/collections/CollectionStrawMan1$/IterableFactory.html
index bfd80de32..8a4a37fa8 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterableFactory.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterableFactory.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterableFactory"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms$.html
index 3e136e518..d806a1f96 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterableMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms.html b/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms.html
index 983fb8fc7..f179ff9ad 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterableMonoTransforms.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterableMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterableOps$.html b/api/strawman/collections/CollectionStrawMan1$/IterableOps$.html
index e38dc60da..a58331f3d 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterableOps$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterableOps$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterableOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterableOps.html b/api/strawman/collections/CollectionStrawMan1$/IterableOps.html
index 1b6898e58..25ee895b0 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterableOps.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterableOps.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterableOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms$.html
index 06f85111f..84bcbbd06 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterablePolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms.html b/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms.html
index 96935aa7d..2f24c5f1f 100644
--- a/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/IterablePolyTransforms.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - IterablePolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$.html
index a240f34e3..fecd02121 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$.html
@@ -13,6 +13,7 @@
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             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Iterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat$.html
index 1de784dca..d0432985d 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Concat"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat.html
index c1a2a6ec9..6d1ebbe3b 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Concat.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Concat"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop$.html
index 85048399f..861dba7ae 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Drop"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop.html
index af7c3fb43..8526fb1c7 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Drop.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Drop"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap$.html
index 607e04ced..494d4f3dd 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - FlatMap"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap.html
index 504e877f6..bc02cf54c 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/FlatMap.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - FlatMap"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map$.html
index e68ea77a3..c6719205e 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Map"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map.html
index 806358206..81b178510 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Map.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Map"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition$.html
index 47bdbdf34..65b5484a3 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Partition"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition.html
index 8d041fcf2..9cf860ef8 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Partition.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Partition"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse$.html
index dc647c570..c3a4e8f67 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Reverse"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse.html
index 12335563d..3ce4d7565 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Reverse.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Reverse"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip$.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip$.html
index 1acb8b618..7a7b662db 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Zip"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip.html b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip.html
index b08be964b..a1cb7cc6f 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator$/Zip.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Zip"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Iterator.html b/api/strawman/collections/CollectionStrawMan1$/Iterator.html
index 793b6a58f..5f9b06fd6 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Iterator.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Iterator.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Iterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/List$.html b/api/strawman/collections/CollectionStrawMan1$/List$.html
index 78fbce49f..6f3cb56b2 100644
--- a/api/strawman/collections/CollectionStrawMan1$/List$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/List$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - List"
diff --git a/api/strawman/collections/CollectionStrawMan1$/List.html b/api/strawman/collections/CollectionStrawMan1$/List.html
index c02a7431f..8fa1035c1 100644
--- a/api/strawman/collections/CollectionStrawMan1$/List.html
+++ b/api/strawman/collections/CollectionStrawMan1$/List.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - List"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ListIterator.html b/api/strawman/collections/CollectionStrawMan1$/ListIterator.html
index 1adaeb729..ed3e31936 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ListIterator.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ListIterator.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ListIterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/MonoTransforms.html b/api/strawman/collections/CollectionStrawMan1$/MonoTransforms.html
index f525e7f41..448fb04b6 100644
--- a/api/strawman/collections/CollectionStrawMan1$/MonoTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/MonoTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - MonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/MonoTransformsOfSeqs.html b/api/strawman/collections/CollectionStrawMan1$/MonoTransformsOfSeqs.html
index 793aa4a76..3094b98f5 100644
--- a/api/strawman/collections/CollectionStrawMan1$/MonoTransformsOfSeqs.html
+++ b/api/strawman/collections/CollectionStrawMan1$/MonoTransformsOfSeqs.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - MonoTransformsOfSeqs"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Nil$.html b/api/strawman/collections/CollectionStrawMan1$/Nil$.html
index 655eef84a..e295c7fae 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Nil$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Nil$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Nil"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Ops.html b/api/strawman/collections/CollectionStrawMan1$/Ops.html
index b39d6508f..c857f1c9b 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Ops.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Ops.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Ops"
diff --git a/api/strawman/collections/CollectionStrawMan1$/PolyTransforms.html b/api/strawman/collections/CollectionStrawMan1$/PolyTransforms.html
index b27d6fee8..0c49225c6 100644
--- a/api/strawman/collections/CollectionStrawMan1$/PolyTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/PolyTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - PolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/RandomAccessIterator.html b/api/strawman/collections/CollectionStrawMan1$/RandomAccessIterator.html
index 74d8fe22e..13d27e470 100644
--- a/api/strawman/collections/CollectionStrawMan1$/RandomAccessIterator.html
+++ b/api/strawman/collections/CollectionStrawMan1$/RandomAccessIterator.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - RandomAccessIterator"
diff --git a/api/strawman/collections/CollectionStrawMan1$/Seq.html b/api/strawman/collections/CollectionStrawMan1$/Seq.html
index 10bcf94b3..05d0a2503 100644
--- a/api/strawman/collections/CollectionStrawMan1$/Seq.html
+++ b/api/strawman/collections/CollectionStrawMan1$/Seq.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - Seq"
diff --git a/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms$.html
index cbafee91a..d85d7aa89 100644
--- a/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - SeqMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms.html b/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms.html
index 679d1c6db..f43eaa352 100644
--- a/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/SeqMonoTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - SeqMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms$.html
index d91923669..02fa78822 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms.html b/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms.html
index 39cbfc0d7..5cd47528c 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringMonoTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringOps$.html b/api/strawman/collections/CollectionStrawMan1$/StringOps$.html
index 170cd26c5..eeba84cae 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringOps$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringOps$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringOps.html b/api/strawman/collections/CollectionStrawMan1$/StringOps.html
index 0e37a40d2..f6ac217ad 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringOps.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringOps.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms$.html
index 6b7a8d8f0..e05adea6d 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringPolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms.html b/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms.html
index d7b8ab3fb..ac7f6dcf4 100644
--- a/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/StringPolyTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - StringPolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/View.html b/api/strawman/collections/CollectionStrawMan1$/View.html
index 8b2dbd33f..4795807a0 100644
--- a/api/strawman/collections/CollectionStrawMan1$/View.html
+++ b/api/strawman/collections/CollectionStrawMan1$/View.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - View"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms$.html
index 993429ca2..ad66b69a5 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms.html b/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms.html
index a476d411d..64ec2f604 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewMonoTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewMonoTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewOps$.html b/api/strawman/collections/CollectionStrawMan1$/ViewOps$.html
index 05b852706..f80d77fdf 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewOps$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewOps$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewOps.html b/api/strawman/collections/CollectionStrawMan1$/ViewOps.html
index fcf2aada6..7cb4a0c42 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewOps.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewOps.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewOps"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms$.html b/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms$.html
index 1d217f603..fc18af77d 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms$.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms$.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewPolyTransforms"
diff --git a/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms.html b/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms.html
index 5fb6b7b3c..5ba0540cf 100644
--- a/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms.html
+++ b/api/strawman/collections/CollectionStrawMan1$/ViewPolyTransforms.html
@@ -13,6 +13,7 @@
             integrity="sha384-AysaV+vQoT3kOAXZkl02PThvDr8HYKPZhNT5h/CXfBThSRXQ6jW5DO2ekP5ViFdi"
             crossorigin="anonymous"
         >
+
         <link
             rel="stylesheet"
             href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css"
@@ -5401,9 +5402,12 @@
         </ul>
     </div>
     <div id="content-body">
-        <div id="menu-toggle" onclick="toggleMenu()">
-            <i class="fa fa-bars" aria-hidden="true"></i>
-        </div>
+        <button type="button" id="menu-toggle" onclick="toggleMenu()" aria-expanded="false">
+            <span class="sr-only" aria-hidden="true">Toggle navigation</span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+            <span class="icon-bar"></span>
+        </button>
         
 <script>
     document.title = "Dotty API - ViewPolyTransforms"