title: Import existing CSS class in new DIV HTML tag
body: <p>Lets say there is </p>
  
  <pre><code>.myButtonClass{
  /*#style;*/
  }
  </code></pre>
  
  <p>Now i have new </p>
  
  <pre><code>&lt;div id="myid"&gt;
  </code></pre>
  
  <p>One way is i can have </p>
  
  <pre><code>&lt;div id="myid" class="myButtonClass"&gt;
  </code></pre>
  
  <p>What if in my CSS i want to assign this class to div</p>
  
  <pre><code>div.myid{
  /* assign existing class */
  .myButtonClass
  }
  </code></pre>
  
  <p>How to do this?</p>