#ADPMask {
  opacity: .75;
  filter: alpha(opacity=75);
  background-color: #000000;
} 

#ADPMask_opera {
  opacity: .75;
  background-image: url('http://www.kuchera.com/ke/products/videos/ADPMask.png');
  background-repeat: repeat; 
  background-color:transparent;
}