#lightboxOverlay {
  display:none;
  position:fixed;
  left:0px;
  top:0px;
  width:100%;
  height:100%;
  z-index:300;
  background:#222;
  opacity:0.5;
  filter:alpha(opacity=50);
  -moz-opacity:0.5;
  -khtml-opacity:0.5;
}

.lightbox-content {
  display:none;
  position:absolute;
  top:50px;
  left:50%;
  z-index:400;
}

.clear { clear:both; width:0; height:0; overflow:hidden; display:block; }

.round-top {
  border-top-left-radius:5px;
  border-top-right-radius:5px;
  -moz-border-radius-topleft:5px;
  -moz-border-radius-topright:5px;
  -webkit-border-top-left-radius:5px;
  -webkit-border-top-right-radius:5px;
}
.round-bottom {
  border-bottom-left-radius:5px;
  border-bottom-right-radius:5px;
  -moz-border-radius-bottomleft:5px;
  -moz-border-radius-bottomright:5px;
  -webkit-border-bottom-left-radius:5px;
  -webkit-border-bottom-right-radius:5px;
}