body{
	background-image:url("../imagenes/fondo.png");
	background-size:cover;
	background-attachment: fixed;
	background-repeat: no-repeat;
}

.form-xl{
	box-shadow: 0px 0px 10px #666;
	background-color: #FFF;
	margin:20px auto;
	border:1px solid #666;
}