slightly fix side bar

docs/javascript.html

@@ -85,7 +85,7 @@
   ================================================== -->
   <div class="row">
     <div class="span3 bs-docs-sidebar">
-      <ul class="span3 nav nav-list bs-docs-sidenav" data-spy="affix" data-offset-y="80">
+      <ul class="nav nav-list bs-docs-sidenav" data-spy="affix" data-offset-y="80">
         <li><a href="#overview">Overview <i class="icon-chevron-right"></i></a></li>
         <li><a href="#transitions">Transitions <i class="icon-chevron-right"></i></a></li>
         <li><a href="#modals">Modal <i class="icon-chevron-right"></i></a></li>