title: convert css after propertey to jquery
body: <p>I want to change the "float" property to "left" using jQuery. 
  This is the css code:</p>
  
  <pre><code>.dropdown-submenu&gt;a:after {
      display: block;
      content: " ";
      float: right;
      width: 0;
      height: 0;
      border-color: transparent;
      border-style: solid;
      border-width: 5px 0 5px 5px;
      border-left-color: #cccccc;
      margin-top: 5px;
      margin-right: -10px;
  }
  </code></pre>
  
  <p>How can i do this?</p>