title: css3 webkit transform rotate not working
body: <p>My signpost div is showing up in the DOM (after being appending with jquery) but the width and height dont seem to work with the webkit transforms in place. if i take the transforms out i can see my div. my aim is to append the div and then animate it in with rotation coming from -90deg to 0deg and a pivot point at the bottom of the div</p>
  
  <p>my css:</p>
  
  
  
  <pre class="lang-css prettyprint-override"><code>#signpost {
      background: url("../imgs/signpost.png");
      background-size:cover ;
      width:213px ;
      height:232px ;
      position:absolute;
      left:2em ;
      bottom:2em;
      z-index:999999 ;
      -webkit-transform:rotateY(-90deg);
      -webkit-transform-origin:80% 50% ;
  }
  </code></pre>