#ADPMask {
  opacity: .4;
  filter: alpha(opacity=40);
  background-color: #444444;
} 

#ADPMask_opera {
  opacity: .8;
  background-image: url('http://www.habitos-para-perder-peso.com/image-files/ADPMask.jpg');
  background-repeat: repeat; 
  background-color:transparent;
}