div#chart-overlay {
  padding-top: 50px;
  position: fixed;
  top:0;
  left:0;
  width: 100%;
  height: 100%;
  background-image: url(../../images/layout/background-trans-75.png);
  z-index: 100;
  display: none;
}
div#chart-overlay a#btn-chart-hide {
  margin: 10px;
  float:right
}
div#chart-area {
  margin-top: 50px;
}