/* total --> 100% del cuadro */
#title_total {
	float: left;
	width: 487px;
}
#content_total {
	float: left;
	width: 750px;
        background-color: #4FE001;
	margin-left: 6px;
}
.main_total {
	float: left;
	width: 97%;
	background-color: #fff;
	margin: 10px;
}
span.back {
	font-size: 10px;
	margin-left: 4px;
}
span.back a {
        text-decoration: none;
}

span.back a:hover {
        text-decoration: underline;
}
span.error{
	color: red;
}