div#hovertext {
  color:#000;
  background:#FC3;
  border:2px solid #900;
  position:absolute;
  padding:5px;
  opacity: 0.75;
  -moz-opacity: 0.75;
  filter:Alpha(Opacity=75);
  -moz-border-radius:8px;
  font-size:0.7em;
  font-family:verdana;
  font-weight:bold;
  visibility:hidden;
}
div#overlay {
  background:#FFFFFF;
  padding:5px;
  padding-top:50px;
  border:2px solid #990000;
  color:#000000;
  margin-left:auto;
  margin-right:auto;
  text-align:center;
  font-weight:bold;
  font-size:1.2em;
  margin-top:180px;
  width:400px;
  height:150px;
  opacity: 0.75;
  -moz-opacity: 0.75;
  filter:Alpha(Opacity=75);
  -moz-border-radius:8px;
}

div#overlay-holder {
  position:absolute;
  text-align:center;
  width:100%;
  height:100%;
}