#MitadIzq {
	float: left;
	width: 29%;
	margin-top: 5px;
	border-right: 1px solid silver;
	}

#MitadDer {
	float: left;
	width: 70%;
	margin-top: 5px;
	text-align: center;
	}
	
fieldset {
	text-align: left;
	}