.shadow {
  border: 1px solid silver;
  padding: 2px;
  font: 10pt arial;
  position: relative;
  display: inline;
  background: white;
  z-index: 100
}
.shadow2 {
  overflow: hidden;
  position: absolute;
  filter: alpha(Opacity=15); /* modify to change the shade solidity/opacity, same as below */
  opacity: 0.1; /* firefox 1.5 opacity */
  -moz-opacity: 0.2; /* mozilla opacity */
  -khtml-opacity: 0.1; /* opacity */
  z-index: 10
}