.shadow{
border:0px solid silver;
font:10pt arial;
position:relative;
display:inline;
background:black;
z-index:100
}

.shadow_inner{
overflow:hidden;
position:absolute;
top: -1000px;
filter:alpha(Opacity=10); /*modify to change the shade solidity/opacity, same as below*/
opacity:0.1; /*firefox 1.5 opacity*/
-moz-opacity:0.1; /*mozilla opacity*/
-khtml-opacity:0.1; /*opacity*/
z-index:10
}