<ul>
    <li>liste 1</li>
    <li>liste 2</li>
    <li>liste 3</li>
    <li>liste 4</li>
  </ul>  
li{
  list-style-image: url(http://lorempixel.com/output/abstract-q-c-16-16-1.jpg);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.