updates sidenav and adds icons for new window

Author: jonschlinkert

assets/css/site.css

@@ -6919,6 +6919,10 @@ h3 {
   padding-left: 30px;
   font-size: 90%;
 }
+.sidebar .glyphicon {
+  font-size: 12px;
+  margin-left: 10px;
+}
 /* Show and affix the side nav when space allows it */
 @media (min-width: 992px) {
   .sidebar .nav > .active > ul {

index.html

@@ -115,13 +115,9 @@ <h1>Getting started</h1>
                 <li>
   <a href="#getting-started">Getting Started</a>
   <ul class="nav">
-    <li><a href="#synopsis">overview</a></li>
-    <li><a href="#usage">usage</a></li>
-    <li><a href="#docs" id="guide-link">language</a></li>
-    <li><a href="#reference" id="guide-link">function reference</a></li>
-    <li><a href="https://github.com/less/less.js">source</a></li>
-    <li><a href="#about">about</a></li>
-    <li><a href="http://less2css.org/" target="_blank">try it now!</a></li>
+    <li><a href="#synopsis">Overview</a></li>
+    <li><a href="https://github.com/less/less.js" target="_blank">Visit Less.js on GitHub <span class="glyphicon glyphicon-new-window"></span></a></li>
+    <li><a href="http://less2css.org/" target="_blank">Try it now! <span class="glyphicon glyphicon-new-window"></span></a></li>
   </ul>
 </li>
 <li>
@@ -132,15 +128,9 @@ <h1>Getting started</h1>
     <li><a href="#download-cdn">Less.js CDN</a></li>
   </ul>
 </li>
-<li>
-  <a href="#browsers">Browser support</a>
-</li>
-<li>
-  <a href="#third-parties">Third party support</a>
-</li>
-<li>
-  <a href="#license-faqs">License FAQs</a>
-</li>
+<li> <a href="#browsers">Browser support</a> </li>
+<li> <a href="#third-parties">Third party support</a> </li>
+<li> <a href="#license-faqs">License FAQs</a> </li>