title: Border is not working with bootstrap 4
body: <p>I am new to bootstrap and i am not sure if I am doing something wrong, but I just can´t get class="border border-danger" to work. Rest all the other styles work just fine. This is my code.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>    &lt;html lang="en"&gt;
      &lt;head&gt;
          &lt;link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"&gt;
          &lt;script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"&gt;&lt;/script&gt;
          &lt;script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"&gt;&lt;/script&gt;
          &lt;script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"&gt;&lt;/script&gt;
      &lt;/head&gt;
      &lt;body class="container"&gt;
          &lt;div class=" text-center m-2 text-primary"&gt;
              
              &lt;h2 class="h4"&gt; SAMPLE DATA FOR RENDERING &lt;/h2&gt;    
              &lt;blockquote class="blockquote bg-warning text-white p-2 border" &gt;Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. 
                  Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. 
                  Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. 
                  Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. - Lorem Ipsum&lt;/blockquote&gt;
  
              
          &lt;/div&gt;
         
          &lt;div class=" border border-danger  border"&gt;
              &lt;p class="text-uppercase w-75" &gt; Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.  &lt;/p&gt;&lt;br&gt;
              &lt;button class="btn btn-primary btn-block"&gt; Submit &lt;/button&gt;
          &lt;/div&gt;
          
      &lt;/body&gt;
  &lt;/html&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>The output for this snippet is given below. 
  <a href="https://i.stack.imgur.com/7ITub.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7ITub.png" alt="enter image description here"></a></p>