Use 1 div per class for marketing section

In order to solve point codeschool-projects#10 it would appear that
one cannot use multiple classes on a div.

    --- Lionel Saliou, Ph.D

Author: Krz-Aramis

index.html

@@ -77,28 +77,31 @@ <h1>Get in touch</h1>
         </a>
       </div>
 
-      <div class="row marketing">
+      <div class="marketing">
         <div class="container">
-          <div class="col-md-4">
-            <i class='glyphicon glyphicon-qrcode'></i>
-            <h2>I wish I knew HTML and CSS</h2>
-            <p>These technologies have changed tremendously since I last used them.</p>
-          </div>
+          <div class="row">
+            
+            <div class="col-md-4">
+              <i class='glyphicon glyphicon-qrcode'></i>
+              <h2>I wish I knew HTML and CSS</h2>
+              <p>These technologies have changed tremendously since I last used them.</p>
+            </div>
 
-          <div class="col-md-4">
-            <i class='glyphicon glyphicon-flash'></i>
-            <h2>Javascript</h2>
-            <p>I agree to learn the basics, however the future of this technology appears to be TypeScript in my opinion. </p>
-            <p>Clear and evident strong typing keeps your average developer saner! </p>
-          </div>
+            <div class="col-md-4">
+              <i class='glyphicon glyphicon-flash'></i>
+              <h2>Javascript</h2>
+              <p>I agree to learn the basics, however the future of this technology appears to be TypeScript in my opinion. </p>
+              <p>Clear and evident strong typing keeps your average developer saner! </p>
+            </div>
 
-          <div class="col-md-4">
-            <i class='glyphicon glyphicon-hdd'></i>
-            <h2>RESTful API</h2>
-            <p>The final true implementation of a Service Oriented Architecture?</p>
-          </div>
+            <div class="col-md-4">
+              <i class='glyphicon glyphicon-hdd'></i>
+              <h2>RESTful API</h2>
+              <p>The final true implementation of a Service Oriented Architecture?</p>
+            </div>
+          </div> <!-- row -->
         </div>
-      </div> <!-- row -->
+      </div> 
 
     </div>
   </section>