What does * css selector do?

http://stackoverflow.com/questions/15607873/what-does-css-selector-do/

by l2aelba

HTML

<div>
  <div>
    <div>
      <div>
        <div>
          <div>
            <div>
              <div>
                <div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

CSS

div                   {outline: 2px dotted black;}
div *                 {outline: 2px dotted red;}
div * *               {outline: 2px dotted green;}
div * * *             {outline: 2px dotted orange;}
div * * * *           {outline: 2px dotted blue;}
div * * * * *         {outline: 1px solid red;}
div * * * * * *       {outline: 1px solid green;}
div * * * * * * *     {outline: 1px solid orange;}
div * * * * * * * *   {outline: 1px solid blue;}






body {padding:0;}
div{padding:10px;}