title: HTML5/Cesium - making divs float over cesium map
body: <p>I am using cesium : <a href="http://cesiumjs.org/" rel="noreferrer">http://cesiumjs.org/</a>
  and I wanted to make some divs float over a cesium map, but I can't get it to work.</p>
  
  <p>I tried the following container/tag method at jsfiddle.net/j08691/dChUR/5/ - substituing the image by a cesium map div - but it doesn't seem to work - the "tag" div isn't shown.</p>
  
  <p>Any help?</p>