#columna {
	float: left;
	padding-right: 5px;
	padding-left: 5px;
	width: 170px;
	margin-right: 9px;
	text-align: right;
}

#contenidos {
	border-left: 1px solid #e2e2e2;
	width: 550px;
	float: left;
	padding-right: 5px;
	padding-left: 5px;
}