body{
	font-family:Verdana, Geneva, sans-serif;
	font-size:12px;
}


.roll {
opacity:.5;	
font-size:14px;
text-align:left;

filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity: 0.5;

background-color: #000; 
-moz-border-radius: 5px; 
-webkit-border-radius: 5px;
 text-align:center; padding:10px;
 vertical-align:middle;
 margin:5px;
 
 color:#999;
}

.roll:hover
{
	color:#FFF;
	opacity:1.0;
	-khtml-opacity: 1.0;
	filter:alpha(opacity=100);
	-moz-opacity:1.0;
}