.semitrans {
  filter: alpha(opacity=75);
  opacity: 0.70;
  -moz-opacity: 0.75;
  -khtml-opacity: 0.75;
  background-color: #9900CC;
  padding-left: 5pt;
  padding-right: 5pt;
  padding-top: 5pt;
  padding-bottom: 5pt;
}