update the subnav on all pages

docs/templates/pages/less.mustache

@@ -7,12 +7,14 @@
       <header class="jumbotron subhead" id="overview">
         <h1>{{_i}}Using LESS with Bootstrap{{/i}}</h1>
         <p class="lead">{{_i}}Customize and extend Bootstrap with <a href="http://lesscss.org" target="_blank">LESS</a>, a CSS preprocessor, to take advantage of the variables, mixins, and more used to build Bootstrap's CSS.{{/i}}</p>
-        <ul class="nav pills">
-          <li><a href="./less.html#builtWith">{{_i}}Built with Less{{/i}}</a></li>
-          <li><a href="./less.html#variables">{{_i}}Variables{{/i}}</a></li>
-          <li><a href="./less.html#mixins">{{_i}}Mixins{{/i}}</a></li>
-          <li><a href="./less.html#compiling">{{_i}}Compiling Bootstrap{{/i}}</a></li>
-        </ul>
+        <div class="subnav">
+          <ul class="nav pills">
+            <li><a href="./less.html#builtWith">{{_i}}Built with Less{{/i}}</a></li>
+            <li><a href="./less.html#variables">{{_i}}Variables{{/i}}</a></li>
+            <li><a href="./less.html#mixins">{{_i}}Mixins{{/i}}</a></li>
+            <li><a href="./less.html#compiling">{{_i}}Compiling Bootstrap{{/i}}</a></li>
+          </ul>
+        </div>
       </header>