diff --git a/carousel.html b/carousel.html
index 423fdc6d..598a6334 100644
--- a/carousel.html
+++ b/carousel.html
@@ -120,13 +120,13 @@ body {
 -------------------------------------------------- */
 
 /* Center align the text within the three columns below the carousel */
-.marketing .span4 {
+.marketing .col-span-4 {
   text-align: center;
 }
 .marketing h2 {
   font-weight: normal;
 }
-.marketing .span4 p {
+.marketing .col-span-4 p {
   margin-left: 10px;
   margin-right: 10px;
 }
@@ -232,7 +232,7 @@ body {
     font-size: 18px;
   }
 
-  .marketing .span4 + .span4 {
+  .marketing .col-span-4 + .col-span-4 {
     margin-top: 40px;
   }
 
@@ -342,24 +342,24 @@ body {
 
   <!-- Three columns of text below the carousel -->
   <div class="row">
-    <div class="span4">
+    <div class="col-span-4">
       <img class="img-circle" data-src="holder.js/140x140">
       <h2>Heading</h2>
       <p>Donec sed odio dui. Etiam porta sem malesuada magna mollis euismod. Nullam id dolor id nibh ultricies vehicula ut id elit. Morbi leo risus, porta ac consectetur ac, vestibulum at eros. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.</p>
       <p><a class="btn" href="#">View details &raquo;</a></p>
-    </div><!-- /.span4 -->
-    <div class="span4">
+    </div><!-- /.col-span-4 -->
+    <div class="col-span-4">
       <img class="img-circle" data-src="holder.js/140x140">
       <h2>Heading</h2>
       <p>Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit. Cras mattis consectetur purus sit amet fermentum. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.</p>
       <p><a class="btn" href="#">View details &raquo;</a></p>
-    </div><!-- /.span4 -->
-    <div class="span4">
+    </div><!-- /.col-span-4 -->
+    <div class="col-span-4">
       <img class="img-circle" data-src="holder.js/140x140">
       <h2>Heading</h2>
       <p>Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.</p>
       <p><a class="btn" href="#">View details &raquo;</a></p>
-    </div><!-- /.span4 -->
+    </div><!-- /.col-span-4 -->
   </div><!-- /.row -->
 
 
diff --git a/grid.html b/grid.html
deleted file mode 100644
index 4fc724a5..00000000
--- a/grid.html
+++ /dev/null
@@ -1,64 +0,0 @@
----
-layout: example
-title: Grid template
----
-
-<!-- Custom styles for this template -->
-<style>
-
-  /* Show grid styles from docs.css
-  -------------------------------------------------- */
-
-  .show-grid {
-    margin-bottom: 15px;
-  }
-  .show-grid [class^="span"] {
-    padding-top: 10px;
-    padding-bottom: 10px;
-    background-color: #eee;
-    border: 1px solid #ddd;
-  }
-  .show-grid [class*="span"]:hover {
-    background-color: #ddd;
-  }
-
-</style>
-
-
-<div class="container">
-
-  <div class="page-header">
-    <h1>Grids</h1>
-  </div>
-
-  <h2>Default grid columns</h2>
-  <div class="bs-docs-grid">
-    <div class="row show-grid">
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-      <div class="span1">1</div>
-    </div>
-    <div class="row show-grid">
-      <div class="span4">4</div>
-      <div class="span4">4</div>
-      <div class="span4">4</div>
-    </div>
-    <div class="row show-grid">
-      <div class="span6">6</div>
-      <div class="span6">6</div>
-    </div>
-    <div class="row show-grid">
-      <div class="span12">12</div>
-    </div>
-  </div>
-
-</div> <!-- /container -->
diff --git a/jumbotron-narrow.html b/jumbotron-narrow.html
index b9a26c75..abf07dc7 100644
--- a/jumbotron-narrow.html
+++ b/jumbotron-narrow.html
@@ -104,7 +104,7 @@ title: Narrow page template
   </div>
 
   <div class="row marketing">
-    <div class="span6">
+    <div class="col-span-6">
       <h4>Subheading</h4>
       <p>Donec id elit non mi porta gravida at eget metus. Maecenas faucibus mollis interdum.</p>
 
@@ -115,7 +115,7 @@ title: Narrow page template
       <p>Maecenas sed diam eget risus varius blandit sit amet non magna.</p>
     </div>
 
-    <div class="span6">
+    <div class="col-span-6">
       <h4>Subheading</h4>
       <p>Donec id elit non mi porta gravida at eget metus. Maecenas faucibus mollis interdum.</p>
 
diff --git a/jumbotron.html b/jumbotron.html
index fafa53d4..86d035f0 100644
--- a/jumbotron.html
+++ b/jumbotron.html
@@ -85,17 +85,17 @@ title: Jumbotron template
 
     <!-- Example row of columns -->
     <div class="row">
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
         <p><a class="btn" href="#">View details &raquo;</a></p>
       </div>
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
         <p><a class="btn" href="#">View details &raquo;</a></p>
      </div>
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.</p>
         <p><a class="btn" href="#">View details &raquo;</a></p>
diff --git a/justified-nav.html b/justified-nav.html
index fabe8623..7013b150 100644
--- a/justified-nav.html
+++ b/justified-nav.html
@@ -119,17 +119,17 @@ title: Justified nav template
 
     <!-- Example row of columns -->
     <div class="row">
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
         <p><a class="btn" href="#">View details &raquo;</a></p>
       </div>
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
         <p><a class="btn" href="#">View details &raquo;</a></p>
      </div>
-      <div class="span4">
+      <div class="col-span-4">
         <h2>Heading</h2>
         <p>Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa.</p>
         <p><a class="btn" href="#">View details &raquo;</a></p>