* { margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden;background-color: #000;}

#world { height: 100%; }

#siteloading {
        visibility:visible;position: absolute; width: 100%; height: 100%; background: url('Loading-data.gif') no-repeat center center;z-index:500; background-size: 180px 160px;background-color: white;
    opacity: 0.8;
      }