Touch up UI to react better against view width change

Author: sshark

9-square/index.html

@@ -61,14 +61,12 @@ <h1 class="logo">
   <!--//header-->
 
   <section class="cards-section text-center">
-    <div id="root" class="contrainer-fluid"></div>
-    <div class="container">
+    <div id="root" class="container"></div>
       <div class="row">
         <div class="col">
           <a class="btn-secondary btn float-right" href="/" role="button">Back to home page</a>
         </div>
       </div>
-    </div>
 
     <!--
               This HTML file is a template.