.semitransparente {
padding:3px;
margin:20px;
  /* Mozilla ignores crazy MS image filters, so it will skip the following */
    filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale src='semitransparente.png');
}
/* IE ignores styles with [attributes], so it will skip the following. */
.semitransparente[class] {
  background-image:url(semitransparente.png);
}
.semitransparente2 {
padding:3px;
margin:20px;
  /* Mozilla ignores crazy MS image filters, so it will skip the following */
    filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale src='semitransparente2.png');
}
/* IE ignores styles with [attributes], so it will skip the following. */
.semitransparente2[class] {
  background-image:url(semitransparente2.png);
}

.semitransparente3 {
padding:3px;
margin:20px;
  /* Mozilla ignores crazy MS image filters, so it will skip the following */
    filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale src='semitransparente3.png');
}
/* IE ignores styles with [attributes], so it will skip the following. */
.semitransparente3[class] {
  background-image:url(semitransparente3.png);
}