.bk {
	background-color: #111111;
	border: 1px solid #DBDBDB;
	text-align: center;
	width: auto;
	padding: 2px;
}
.bk img { width:25px; height:25px; border: none; opacity: 1; filter: alpha(opacity=100); }
.bk a img:hover { width:25px; height:25px; border: none; opacity: .6;	filter: alpha(opacity=60); }