body{
	background-image: url(../img/fondo_login.jpg);
	background-attachment: fixed;
	background-repeat: repeat-x;
	background-size: 100% 100%;
}
.caja_login{
	margin-top: 6%;
	background: rgba(0, 0, 0, 0.35);
	color: white;
	border-radius: 10px;
}
.btn-link{
	color: white;
}
.centrame{
	text-align: center;
}
#login_zf{
	float: left;
}
#mostrar_registro:hover{
	text-decoration: none;
	color: skyblue;
}
#btn_login:hover{
	background-color: #0099bc;
}