flip things around again, no more base class, try out some new stuff to keep responsive flex grid working

8 files changed, 80 insertions, 80 deletions

diff --git a/docs/examples/blog/index.html b/docs/examples/blog/index.html
index 014e0a6c1..d4e9dbcc5 100644
--- a/docs/examples/blog/index.html
+++ b/docs/examples/blog/index.html
@@ -43,7 +43,7 @@
 
       <div class="row">
 
-        <div class="col col-sm-8 blog-main">
+        <div class="col-sm-8 blog-main">
 
           <div class="blog-post">
             <h2 class="blog-post-title">Sample blog post</h2>
@@ -111,7 +111,7 @@
 
         </div><!-- /.blog-main -->
 
-        <div class="col col-sm-3 offset-sm-1 blog-sidebar">
+        <div class="col-sm-3 offset-sm-1 blog-sidebar">
           <div class="sidebar-module sidebar-module-inset">
             <h4>About</h4>
             <p>Etiam porta <em>sem malesuada magna</em> mollis euismod. Cras mattis consectetur purus sit amet fermentum. Aenean lacinia bibendum nulla sed consectetur.</p>
diff --git a/docs/examples/carousel/index.html b/docs/examples/carousel/index.html
index 55ecc1953..986c4e8a5 100644
--- a/docs/examples/carousel/index.html
+++ b/docs/examples/carousel/index.html
@@ -98,19 +98,19 @@
 
       <!-- Three columns of text below the carousel -->
       <div class="row">
-        <div class="col col-lg-4">
+        <div class="col-lg-4">
           <img class="img-circle" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Generic placeholder image" width="140" height="140">
           <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.</p>
           <p><a class="btn btn-secondary" href="#" role="button">View details &raquo;</a></p>
         </div><!-- /.col-lg-4 -->
-        <div class="col col-lg-4">
+        <div class="col-lg-4">
           <img class="img-circle" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Generic placeholder image" width="140" height="140">
           <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.</p>
           <p><a class="btn btn-secondary" href="#" role="button">View details &raquo;</a></p>
         </div><!-- /.col-lg-4 -->
-        <div class="col col-lg-4">
+        <div class="col-lg-4">
           <img class="img-circle" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Generic placeholder image" width="140" height="140">
           <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>
@@ -124,11 +124,11 @@
       <hr class="featurette-divider">
 
       <div class="row featurette">
-        <div class="col col-md-7">
+        <div class="col-md-7">
           <h2 class="featurette-heading">First featurette heading. <span class="text-muted">It'll blow your mind.</span></h2>
           <p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
         </div>
-        <div class="col col-md-5">
+        <div class="col-md-5">
           <img class="featurette-image img-fluid center-block" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
         </div>
       </div>
@@ -136,11 +136,11 @@
       <hr class="featurette-divider">
 
       <div class="row featurette">
-        <div class="col col-md-7 push-md-5">
+        <div class="col-md-7 push-md-5">
           <h2 class="featurette-heading">Oh yeah, it's that good. <span class="text-muted">See for yourself.</span></h2>
           <p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
         </div>
-        <div class="col col-md-5 pull-md-7">
+        <div class="col-md-5 pull-md-7">
           <img class="featurette-image img-fluid center-block" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
         </div>
       </div>
@@ -148,11 +148,11 @@
       <hr class="featurette-divider">
 
       <div class="row featurette">
-        <div class="col col-md-7">
+        <div class="col-md-7">
           <h2 class="featurette-heading">And lastly, this one. <span class="text-muted">Checkmate.</span></h2>
           <p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
         </div>
-        <div class="col col-md-5">
+        <div class="col-md-5">
           <img class="featurette-image img-fluid center-block" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
         </div>
       </div>
diff --git a/docs/examples/dashboard/index.html b/docs/examples/dashboard/index.html
index a956bd411..65cc380cb 100644
--- a/docs/examples/dashboard/index.html
+++ b/docs/examples/dashboard/index.html
@@ -43,7 +43,7 @@
 
     <div class="container-fluid">
       <div class="row">
-        <div class="col col-sm-3 col-md-2 sidebar">
+        <div class="col-sm-3 col-md-2 sidebar">
           <ul class="nav nav-sidebar">
             <li class="active"><a href="#">Overview <span class="sr-only">(current)</span></a></li>
             <li><a href="#">Reports</a></li>
@@ -63,26 +63,26 @@
             <li><a href="">Another nav item</a></li>
           </ul>
         </div>
-        <div class="col col-sm-9 offset-sm-3 col-md-10 offset-md-2 main">
+        <div class="col-sm-9 offset-sm-3 col-md-10 offset-md-2 main">
           <h1 class="page-header">Dashboard</h1>
 
           <div class="row placeholders">
-            <div class="col col-xs-6 col-sm-3 placeholder">
+            <div class="col-xs-6 col-sm-3 placeholder">
               <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-fluid" alt="Generic placeholder thumbnail">
               <h4>Label</h4>
               <span class="text-muted">Something else</span>
             </div>
-            <div class="col col-xs-6 col-sm-3 placeholder">
+            <div class="col-xs-6 col-sm-3 placeholder">
               <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-fluid" alt="Generic placeholder thumbnail">
               <h4>Label</h4>
               <span class="text-muted">Something else</span>
             </div>
-            <div class="col col-xs-6 col-sm-3 placeholder">
+            <div class="col-xs-6 col-sm-3 placeholder">
               <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-fluid" alt="Generic placeholder thumbnail">
               <h4>Label</h4>
               <span class="text-muted">Something else</span>
             </div>
-            <div class="col col-xs-6 col-sm-3 placeholder">
+            <div class="col-xs-6 col-sm-3 placeholder">
               <img src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" width="200" height="200" class="img-fluid" alt="Generic placeholder thumbnail">
               <h4>Label</h4>
               <span class="text-muted">Something else</span>
diff --git a/docs/examples/grid/index.html b/docs/examples/grid/index.html
index c9bcf8b93..9e831115b 100644
--- a/docs/examples/grid/index.html
+++ b/docs/examples/grid/index.html
@@ -30,56 +30,56 @@
       <p>There are five tiers to the Bootstrap grid system, one for each range of devices we support. Each tier starts at a minimum viewport size and automatically applies to the larger devices unless overridden.</p>
 
 <div class="row">
-  <div class="col col-xs-4">.col .col-xs-4</div>
-  <div class="col col-xs-4">.col .col-xs-4</div>
-  <div class="col col-xs-4">.col .col-xs-4</div>
+  <div class="col-xs-4">.col-xs-4</div>
+  <div class="col-xs-4">.col-xs-4</div>
+  <div class="col-xs-4">.col-xs-4</div>
 </div>
 
 <div class="row">
-  <div class="col col-sm-4">.col .col-sm-4</div>
-  <div class="col col-sm-4">.col .col-sm-4</div>
-  <div class="col col-sm-4">.col .col-sm-4</div>
+  <div class="col-sm-4">.col-sm-4</div>
+  <div class="col-sm-4">.col-sm-4</div>
+  <div class="col-sm-4">.col-sm-4</div>
 </div>
 
 <div class="row">
-  <div class="col col-md-4">.col .col-md-4</div>
-  <div class="col col-md-4">.col .col-md-4</div>
-  <div class="col col-md-4">.col .col-md-4</div>
+  <div class="col-md-4">.col-md-4</div>
+  <div class="col-md-4">.col-md-4</div>
+  <div class="col-md-4">.col-md-4</div>
 </div>
 
 <div class="row">
-  <div class="col col-lg-4">.col .col-lg-4</div>
-  <div class="col col-lg-4">.col .col-lg-4</div>
-  <div class="col col-lg-4">.col .col-lg-4</div>
+  <div class="col-lg-4">.col-lg-4</div>
+  <div class="col-lg-4">.col-lg-4</div>
+  <div class="col-lg-4">.col-lg-4</div>
 </div>
 
 <div class="row">
-  <div class="col col-xl-4">.col .col-xl-4</div>
-  <div class="col col-xl-4">.col .col-xl-4</div>
-  <div class="col col-xl-4">.col .col-xl-4</div>
+  <div class="col-xl-4">.col-xl-4</div>
+  <div class="col-xl-4">.col-xl-4</div>
+  <div class="col-xl-4">.col-xl-4</div>
 </div>
 
       <h3>Three equal columns</h3>
       <p>Get three equal-width columns <strong>starting at desktops and scaling to large desktops</strong>. On mobile devices, tablets and below, the columns will automatically stack.</p>
       <div class="row">
-        <div class="col col-md-4">.col .col-md-4</div>
-        <div class="col col-md-4">.col .col-md-4</div>
-        <div class="col col-md-4">.col .col-md-4</div>
+        <div class="col-md-4">.col-md-4</div>
+        <div class="col-md-4">.col-md-4</div>
+        <div class="col-md-4">.col-md-4</div>
       </div>
 
       <h3>Three unequal columns</h3>
       <p>Get three columns <strong>starting at desktops and scaling to large desktops</strong> of various widths. Remember, grid columns should add up to twelve for a single horizontal block. More than that, and columns start stacking no matter the viewport.</p>
       <div class="row">
-        <div class="col col-md-3">.col .col-md-3</div>
-        <div class="col col-md-6">.col .col-md-6</div>
-        <div class="col col-md-3">.col .col-md-3</div>
+        <div class="col-md-3">.col-md-3</div>
+        <div class="col-md-6">.col-md-6</div>
+        <div class="col-md-3">.col-md-3</div>
       </div>
 
       <h3>Two columns</h3>
       <p>Get two columns <strong>starting at desktops and scaling to large desktops</strong>.</p>
       <div class="row">
-        <div class="col col-md-8">.col .col-md-8</div>
-        <div class="col col-md-4">.col .col-md-4</div>
+        <div class="col-md-8">.col-md-8</div>
+        <div class="col-md-4">.col-md-4</div>
       </div>
 
       <h3>Full width, single column</h3>
@@ -91,14 +91,14 @@
       <p>Per the documentation, nesting is easy—just put a row of columns within an existing column. This gives you two columns <strong>starting at desktops and scaling to large desktops</strong>, with another two (equal widths) within the larger column.</p>
       <p>At mobile device sizes, tablets and down, these columns and their nested columns will stack.</p>
       <div class="row">
-        <div class="col col-md-8">
+        <div class="col-md-8">
           .col-md-8
           <div class="row">
-            <div class="col col-md-6">.col .col-md-6</div>
-            <div class="col col-md-6">.col .col-md-6</div>
+            <div class="col-md-6">.col-md-6</div>
+            <div class="col-md-6">.col-md-6</div>
           </div>
         </div>
-        <div class="col col-md-4">.col .col-md-4</div>
+        <div class="col-md-4">.col-md-4</div>
       </div>
 
       <hr>
@@ -107,17 +107,17 @@
       <p>The Bootstrap v4 grid system has five tiers of classes: xs (extra small), sm (small), md (medium), lg (large), and xl (extra large). You can use nearly any combination of these classes to create more dynamic and flexible layouts.</p>
       <p>Each tier of classes scales up, meaning if you plan on setting the same widths for xs and sm, you only need to specify xs.</p>
       <div class="row">
-        <div class="col col-xs-12 col-md-8">.col .col-xs-12 .col-md-8</div>
-        <div class="col col-xs-6 col-md-4">.col .col-xs-6 .col-md-4</div>
+        <div class="col-xs-12 col-md-8">.col-xs-12 .col-md-8</div>
+        <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
       </div>
       <div class="row">
-        <div class="col col-xs-6 col-md-4">.col .col-xs-6 .col-md-4</div>
-        <div class="col col-xs-6 col-md-4">.col .col-xs-6 .col-md-4</div>
-        <div class="col col-xs-6 col-md-4">.col .col-xs-6 .col-md-4</div>
+        <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
+        <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
+        <div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
       </div>
       <div class="row">
-        <div class="col col-xs-6">.col .col-xs-6</div>
-        <div class="col col-xs-6">.col .col-xs-6</div>
+        <div class="col-xs-6">.col-xs-6</div>
+        <div class="col-xs-6">.col-xs-6</div>
       </div>
 
       <hr>
@@ -125,13 +125,13 @@
       <h3>Mixed: mobile, tablet, and desktop</h3>
       <p></p>
       <div class="row">
-        <div class="col col-xs-12 col-sm-6 col-lg-8">.col .col-xs-12 .col-sm-6 .col-lg-8</div>
-        <div class="col col-xs-6 col-lg-4">.col .col-xs-6 .col-lg-4</div>
+        <div class="col-xs-12 col-sm-6 col-lg-8">.col-xs-12 .col-sm-6 .col-lg-8</div>
+        <div class="col-xs-6 col-lg-4">.col-xs-6 .col-lg-4</div>
       </div>
       <div class="row">
-        <div class="col col-xs-6 col-sm-4">.col .col-xs-6 .col-sm-4</div>
-        <div class="col col-xs-6 col-sm-4">.col .col-xs-6 .col-sm-4</div>
-        <div class="col col-xs-6 col-sm-4">.col .col-xs-6 .col-sm-4</div>
+        <div class="col-xs-6 col-sm-4">.col-xs-6 .col-sm-4</div>
+        <div class="col-xs-6 col-sm-4">.col-xs-6 .col-sm-4</div>
+        <div class="col-xs-6 col-sm-4">.col-xs-6 .col-sm-4</div>
       </div>
 
       <hr>
@@ -139,18 +139,18 @@
       <h3>Column clearing</h3>
       <p><a href="http://getbootstrap.com/css/#grid-responsive-resets">Clear floats</a> at specific breakpoints to prevent awkward wrapping with uneven content.</p>
       <div class="row">
-        <div class="col col-xs-6 col-sm-3">
+        <div class="col-xs-6 col-sm-3">
           .col-xs-6 .col-sm-3
           <br>
           Resize your viewport or check it out on your phone for an example.
         </div>
-        <div class="col col-xs-6 col-sm-3">.col .col-xs-6 .col-sm-3</div>
+        <div class="col-xs-6 col-sm-3">.col-xs-6 .col-sm-3</div>
 
         <!-- Add the extra clearfix for only the required viewport -->
         <div class="clearfix hidden-sm-up"></div>
 
-        <div class="col col-xs-6 col-sm-3">.col .col-xs-6 .col-sm-3</div>
-        <div class="col col-xs-6 col-sm-3">.col .col-xs-6 .col-sm-3</div>
+        <div class="col-xs-6 col-sm-3">.col-xs-6 .col-sm-3</div>
+        <div class="col-xs-6 col-sm-3">.col-xs-6 .col-sm-3</div>
       </div>
 
       <hr>
@@ -158,12 +158,12 @@
       <h3>Offset, push, and pull resets</h3>
       <p>Reset offsets, pushes, and pulls at specific breakpoints.</p>
       <div class="row">
-        <div class="col col-sm-5 col-md-6">.col .col-sm-5 .col-md-6</div>
-        <div class="col col-sm-5 offset-sm-2 col-md-6 offset-md-0">.col .col-sm-5 .col-sm-offset-2 .col-md-6 .col-md-offset-0</div>
+        <div class="col-sm-5 col-md-6">.col-sm-5 .col-md-6</div>
+        <div class="col-sm-5 offset-sm-2 col-md-6 offset-md-0">.col-sm-5 .col-sm-offset-2 .col-md-6 .col-md-offset-0</div>
       </div>
       <div class="row">
-        <div class="col col-sm-6 col-md-5 col-lg-6">.col .col-sm-6 .col-md-5 .col-lg-6</div>
-        <div class="col col-sm-6 col-md-5 offset-md-2 col-lg-6 offset-lg-0">.col .col-sm-6 .col-md-5 .col-md-offset-2 .col-lg-6 .col-lg-offset-0</div>
+        <div class="col-sm-6 col-md-5 col-lg-6">.col-sm-6 .col-md-5 .col-lg-6</div>
+        <div class="col-sm-6 col-md-5 offset-md-2 col-lg-6 offset-lg-0">.col-sm-6 .col-md-5 .col-md-offset-2 .col-lg-6 .col-lg-offset-0</div>
       </div>
 
 
diff --git a/docs/examples/jumbotron/index.html b/docs/examples/jumbotron/index.html
index 1eb5c3286..3e362fb46 100644
--- a/docs/examples/jumbotron/index.html
+++ b/docs/examples/jumbotron/index.html
@@ -47,17 +47,17 @@
     <div class="container">
       <!-- Example row of columns -->
       <div class="row">
-        <div class="col col-md-4">
+        <div class="col-md-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
         </div>
-        <div class="col col-md-4">
+        <div class="col-md-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
        </div>
-        <div class="col col-md-4">
+        <div class="col-md-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
diff --git a/docs/examples/justified-nav/index.html b/docs/examples/justified-nav/index.html
index 08e4808e7..a757a5c9a 100644
--- a/docs/examples/justified-nav/index.html
+++ b/docs/examples/justified-nav/index.html
@@ -47,18 +47,18 @@
 
       <!-- Example row of columns -->
       <div class="row">
-        <div class="col col-lg-4">
+        <div class="col-lg-4">
           <h2>Safari bug warning!</h2>
           <p class="text-danger">As of v9.0, Safari exhibits a bug in which resizing your browser horizontally causes rendering errors in the justified nav that are cleared upon refreshing.</p>
           <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 btn-primary" href="#" role="button">View details &raquo;</a></p>
         </div>
-        <div class="col col-lg-4">
+        <div class="col-lg-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 btn-primary" href="#" role="button">View details &raquo;</a></p>
        </div>
-        <div class="col col-lg-4">
+        <div class="col-lg-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 btn-primary" href="#" role="button">View details &raquo;</a></p>
diff --git a/docs/examples/narrow-jumbotron/index.html b/docs/examples/narrow-jumbotron/index.html
index 4d7c821ef..fc55d0648 100644
--- a/docs/examples/narrow-jumbotron/index.html
+++ b/docs/examples/narrow-jumbotron/index.html
@@ -45,7 +45,7 @@
       </div>
 
       <div class="row marketing">
-        <div class="col col-lg-6">
+        <div class="col-lg-6">
           <h4>Subheading</h4>
           <p>Donec id elit non mi porta gravida at eget metus. Maecenas faucibus mollis interdum.</p>
 
@@ -56,7 +56,7 @@
           <p>Maecenas sed diam eget risus varius blandit sit amet non magna.</p>
         </div>
 
-        <div class="col col-lg-6">
+        <div class="col-lg-6">
           <h4>Subheading</h4>
           <p>Donec id elit non mi porta gravida at eget metus. Maecenas faucibus mollis interdum.</p>
 
diff --git a/docs/examples/offcanvas/index.html b/docs/examples/offcanvas/index.html
index 262df60aa..16a70b379 100644
--- a/docs/examples/offcanvas/index.html
+++ b/docs/examples/offcanvas/index.html
@@ -34,7 +34,7 @@
 
       <div class="row row-offcanvas row-offcanvas-right">
 
-        <div class="col col-xs-12 col-sm-9">
+        <div class="col-xs-12 col-sm-9">
           <p class="pull-xs-right hidden-sm-up">
             <button type="button" class="btn btn-primary btn-sm" data-toggle="offcanvas">Toggle nav</button>
           </p>
@@ -43,32 +43,32 @@
             <p>This is an example to show the potential of an offcanvas layout pattern in Bootstrap. Try some responsive-range viewport sizes to see it in action.</p>
           </div>
           <div class="row">
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
             </div><!--/span-->
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
             </div><!--/span-->
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
             </div><!--/span-->
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
             </div><!--/span-->
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
             </div><!--/span-->
-            <div class="col col-xs-6 col-lg-4">
+            <div class="col-xs-6 col-lg-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 btn-secondary" href="#" role="button">View details &raquo;</a></p>
@@ -76,7 +76,7 @@
           </div><!--/row-->
         </div><!--/span-->
 
-        <div class="col col-xs-6 col-sm-3 sidebar-offcanvas" id="sidebar">
+        <div class="col-xs-6 col-sm-3 sidebar-offcanvas" id="sidebar">
           <div class="list-group">
             <a href="#" class="list-group-item active">Link</a>
             <a href="#" class="list-group-item">Link</a>