Nested columns docs tweaks

docs/css.html

@@ -207,13 +207,13 @@
           <p>To nest your content with the default grid, add a new <code>.row</code> and set of <code>.span*</code> columns within an existing <code>.span*</code> column. Nested rows should include a set of columns that add up to the number of columns of its parent.</p>
           <div class="row show-grid">
             <div class="span9">
-              Level 1 column
+              Level 1: 9 columns
               <div class="row show-grid">
                 <div class="span6">
-                  Level 2
+                  Level 2: 6 columns
                 </div>
                 <div class="span6">
-                  Level 2
+                  Level 2: 6 columns
                 </div>
               </div>
             </div>
@@ -221,10 +221,10 @@
 <pre class="prettyprint linenums">
 &lt;div class="row"&gt;
   &lt;div class="span9"&gt;
-    Level 1 column
+    Level 1: 9 columns
     &lt;div class="row"&gt;
-      &lt;div class="span6"&gt;Level 2&lt;/div&gt;
-      &lt;div class="span3"&gt;Level 2&lt;/div&gt;
+      &lt;div class="span6"&gt;Level 2: 6 columns&lt;/div&gt;
+      &lt;div class="span3"&gt;Level 2: 6 columns&lt;/div&gt;
     &lt;/div&gt;
   &lt;/div&gt;
 &lt;/div&gt;

docs/templates/pages/css.mustache

@@ -139,13 +139,13 @@
           <p>To nest your content with the default grid, add a new <code>.row</code> and set of <code>.span*</code> columns within an existing <code>.span*</code> column. Nested rows should include a set of columns that add up to the number of columns of its parent.</p>
           <div class="row show-grid">
             <div class="span9">
-              Level 1 column
+              Level 1: 9 columns
               <div class="row show-grid">
                 <div class="span6">
-                  Level 2
+                  Level 2: 6 columns
                 </div>
                 <div class="span6">
-                  Level 2
+                  Level 2: 6 columns
                 </div>
               </div>
             </div>
@@ -153,10 +153,10 @@
 <pre class="prettyprint linenums">
 &lt;div class="row"&gt;
   &lt;div class="span9"&gt;
-    Level 1 column
+    Level 1: 9 columns
     &lt;div class="row"&gt;
-      &lt;div class="span6"&gt;Level 2&lt;/div&gt;
-      &lt;div class="span3"&gt;Level 2&lt;/div&gt;
+      &lt;div class="span6"&gt;Level 2: 6 columns&lt;/div&gt;
+      &lt;div class="span3"&gt;Level 2: 6 columns&lt;/div&gt;
     &lt;/div&gt;
   &lt;/div&gt;
 &lt;/div&gt;