Update IDs on customize page

customize.html

@@ -8,10 +8,10 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
 <!-- Customize
 ================================================== -->
 <form class="bs-customizer">
-  <div class="bs-docs-section" id="less">
+  <div class="bs-docs-section">
     <div class="page-header">
       <button class="btn btn-default toggle" type="button">Toggle all</button>
-      <h1>LESS files</h1>
+      <h1 id="less">LESS files</h1>
     </div>
     <p class="lead">Choose which LESS files to compile into your custom build of Bootstrap. Not sure which files to use? Read through the <a href="/css/">CSS</a> and <a href="/components/">Components</a> pages in the docs</p>
 
@@ -263,10 +263,10 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
 
 
 
-  <div class="bs-docs-section" id="plugins">
+  <div class="bs-docs-section">
     <div class="page-header">
       <button class="btn btn-default toggle" type="button">Toggle all</button>
-      <h1>jQuery plugins</h1>
+      <h1 id="plugins">jQuery plugins</h1>
     </div>
     <p class="lead">Choose which jQuery plugins should be included in your custom JavaScript files. Unsure what to include? Read the <a href="/javascript/">JavaScript</a> page in the docs.</p>
     <div class="row">
@@ -363,10 +363,10 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
 
 
 
-  <div class="bs-docs-section" id="less-variables">
+  <div class="bs-docs-section">
     <div class="page-header">
       <button class="btn btn-default toggle" type="button">Reset to defaults</button>
-      <h1>LESS variables</h1>
+      <h1 id="less-variables">LESS variables</h1>
     </div>
     <p class="lead">Customize LESS variables to define colors, sizes and more inside your custom CSS stylesheets.</p>
 
@@ -1425,9 +1425,9 @@ lead: Customize Bootstrap's components, LESS variables, and jQuery plugins to ge
     </div>
   </div>
 
-  <div class="bs-docs-section" id="download">
+  <div class="bs-docs-section">
     <div class="page-header">
-      <h1>Download</h1>
+      <h1 id="download">Download</h1>
     </div>
     <p class="lead">Hooray! Your custom version of Bootstrap is now ready to be compiled. Just click the button below to finish the process.</p>
     <div class="bs-customize-download">