#gateway_background {
  z-index:2;
  background-color:#000;
  filter:alpha(opacity:60);
  opacity:0.6;
  -moz-opacity:0.6;
  position:absolute;
  top:-1000px;
  left:-1000px;
  margin:0px;
  width:0px;
  height:0px;
  text-align:center;
}

#gateway_select {
  z-index:3;
  background-color:#fff;
  width:580px;
  padding:20px;
  margin:auto;
  position:absolute;
  top:-1000px;
  left:-1000px;
}

.gateway_right {
  float:right;
}