update headings and nav

_includes/nav-customize.html

@@ -16,6 +16,9 @@
     <li><a href="#variables-forms">Forms</a></li>
     <li><a href="#variables-dropdowns">Dropdowns</a></li>
     <li><a href="#variables-panels-wells">Panels and wells</a></li>
+    <li><a href="#variables-accordion">Accordion</a></li>
+    <li><a href="#variables-badges">Badges</a></li>
+    <li><a href="#variables-breadcrumb">Breadcrumb</a></li>
     <li><a href="#variables-jumbotron">Jumbotron</a></li>
     <li><a href="#variables-modals">Modals</a></li>
     <li><a href="#variables-list-group">List group</a></li>

customize.html

@@ -909,11 +909,11 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
       <label>@well-bg</label>
       <input type="text" placeholder="#f5f5f5">
 
-      <h3>Accordion</h3>
+      <h2 id="variables-accordion">Accordion</h2>
       <label>@accordion-border-bg</label>
       <input type="text" placeholder="#e5e5e5">
 
-      <h3>Badges</h3>
+      <h2 id="variables-badges">Badges</h2>
       <div class="row">
         <div class="col-lg-6">
           <label>@badge-color</label>
@@ -936,7 +936,7 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
         </div>
       </div>
 
-      <h3>Breadcrumbs</h3>
+      <h2 id="variables-breadcrumbs">Breadcrumbs</h2>
       <div class="row">
         <div class="col-lg-4">
           <label>@breadcrumb-color</label>