title: how to apply css property to my first div class only
body: <p><img src="https://i.stack.imgur.com/JcdYA.png" alt="enter image description here">I am having two <strong>dhx_scroll_cont</strong> div class, when i write css code as bellow it working for two classes. Now i want to write a css code that apply for first div call </p>
  
  <pre><code>.dhx_scroll_cont:before{
      //some code here
      }
  </code></pre>