div.idle_timeout_box
{
  background: url(icons.png) 6px 3px no-repeat;
  background-color: #F7FDCB;
  border: 1px solid #C2D071;
  width: 600px;
  left: 50%;
  margin-left: -300px;
  text-align: center;
  position: absolute;
  top: 1px;
  z-index: 5000;
  opacity: 0.85;
}