.content{
	overflow: auto;
	position: relative;
	padding-right: 20px;
	height:328px;
	-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;
}

.content.hidden{ display: none; }

.content.light{
	background-color: #ddd;
	color: #333;
}

.content hr{
	margin-bottom: -10px;
	border-top: 1px solid rgba(0,0,0,0.7);
}

.content.light hr{
	border-bottom: 1px solid rgba(255,255,255,0.6);
	border-top: 1px solid rgba(0,0,0,0.1);
}