#tetracase {
	position:relative;
	overflow:hidden;
	height:130px;
	width:550px;
}
#tetracase a {
	font-weight:bold;
	font-size:110%;
}
.tetradiv {
	position:absolute;
	overflow:hidden;
	top:250px;
	left:0;
	height:130px;
	width:550px;
	font-size:95%;
	background-color:#666666;
}