.contact_form h3 {
    background: none repeat scroll 0 0 #ffffff;
    border-radius: 5px;
    color: #5CD053;
    display: block;
    font-family: 'Verdana', Helvetica, Arial, sans-serif;
    font-size: 20px;
    padding: 5px;
    width: 433px;
}
/*--- estilos para los ul y li del formulario ---*/
.contact_form ul {
    width:960px;
	height: 600px;
    list-style-type:none;
	margin:0px;
	padding:0px;
}
.contact_form li{
	padding:16px; 
	position:relative;
} 
.contact_form label {
    color: #f5a712;
    display: inline-block;
    float: left;
	text-align:left;
    font-family: sans-serif;
    font-size: 13px;
    font-weight: bold;
    margin-top: 3px;
    padding: 3px;
    width: 90px;
}
.contact_form input {
	height:20px; 
	width:220px; 
	padding:5px 8px;
	text-align:left;
}
.contact_form textarea {
	padding:8px; 
	width:300px;
	text-align:left;
}
.contact_form button {
	margin-left:90px;
}

/*----- estilos visuales de los elementos --------*/

.contact_form input, .contact_form textarea { 
	border:1px solid #aaa;
	box-shadow: 0px 0px 3px #ccc, 0 10px 15px #eee inset;
	border-radius:2px;
	color: #888;
	font-size: 12px;
	text-align:left;
	padding-right:30px;
	-moz-transition: padding .25s; 
	-webkit-transition: padding .25s; 
	-o-transition: padding .25s;
	transition: padding .25s;
}
.contact_form input:focus, .contact_form textarea:focus {
	background: #fff; 
	border:1px solid #555; 
	box-shadow: 0 0 3px #aaa; 
	padding-right:80px;
}

/* === Estilos de Validacion === */	

.contact_form input:required:valid, .contact_form textarea:required:valid {
	box-shadow: 0 0 5px #5cd053;
	border-color: #5CD053;
}
.contact_form input:focus:invalid, .contact_form textarea:focus:invalid {
	box-shadow: 0 0 5px #d45252;
	border-color: #b03535
}