#articles_left_bar {
	float: left;
	padding: 0.5em;
	margin-right: 1em;
	margin-bottom: 1em;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-top-color: #000000;
	border-right-color: #000000;
	border-bottom-color: #000000;
	border-left-color: #000000;

}
.right_ad {
	float:right;
	width:340px;
	margin-left:1em;
}