3 files changed, 21 insertions, 10 deletions
diff --git a/documentation/4.1/api/lib/index.css b/documentation/4.1/api/lib/index.css
index b153113..57c7dd8 100644
--- a/documentation/4.1/api/lib/index.css
+++ b/documentation/4.1/api/lib/index.css
@@ -432,6 +432,7 @@ div#content-container > div#subpackage-spacer {
   margin: 1.1rem 0.5rem 0 0.5em;
   font-size: 0.8em;
   min-width: 8rem;
+  max-width: 16rem;
 }
 
 div#packages > h1 {
diff --git a/documentation/4.1/api/lib/index.js b/documentation/4.1/api/lib/index.js
index 1a2e62b..087c975 100644
--- a/documentation/4.1/api/lib/index.js
+++ b/documentation/4.1/api/lib/index.js
@@ -113,20 +113,26 @@ function handleKeyNavigation() {
         scroller.container = $container;
 
         scroller.scrollDown = function($elem) {
-            var yPos = $elem.offset().top; // offset relative to viewport
-            if ($container.height() < yPos || (yPos - $("#search").height()) < 0) {
-                $container.animate({
-                    scrollTop: $container.scrollTop() + yPos - $("#search").height() - 10
-                }, 200);
+            var offset = $elem.offset(); // offset relative to viewport
+            if (offset !== undefined) {
+                var yPos = offset.top;
+                if ($container.height() < yPos || (yPos - $("#search").height()) < 0) {
+                    $container.animate({
+                        scrollTop: $container.scrollTop() + yPos - $("#search").height() - 10
+                    }, 200);
+                }
             }
         };
 
         scroller.scrollUp = function ($elem) {
-            var yPos = $elem.offset().top; // offset relative to viewport
-            if (yPos < $("#search").height()) {
-                $container.animate({
-                    scrollTop: $container.scrollTop() + yPos - $("#search").height() - 10
-                }, 200);
+            var offset = $elem.offset(); // offset relative to viewport
+            if (offset !== undefined) {
+                var yPos = offset.top;
+                if (yPos < $("#search").height()) {
+                    $container.animate({
+                        scrollTop: $container.scrollTop() + yPos - $("#search").height() - 10
+                    }, 200);
+                }
             }
         };
 
diff --git a/documentation/4.1/api/lib/template.css b/documentation/4.1/api/lib/template.css
index c120698..d5f89b1 100644
--- a/documentation/4.1/api/lib/template.css
+++ b/documentation/4.1/api/lib/template.css
@@ -248,6 +248,10 @@ body.abstract.type div.big-circle {
   background: url("abstract_type.svg") no-repeat center;
 }
 
+body.alias.type div.big-circle {
+  background: url("abstract_type.svg") no-repeat center;
+}
+
 #template {
   margin: 0.9em 0.75em 0.75em;
   padding-bottom: 0.5em;