.div_login{
    position: absolute;
    left: 40%;
    top: 30%;
    width: 500px;
    z-index: 100;
    text-align: center;
    background-color:#ffffff;
    border: 1px solid black;
	border-bottom-left-radius:7px;
	border-bottom-right-radius:7px;
	border-top-left-radius:7px;
	border-top-right-radius:7px;
    background-repeat: repeat-y;
}
.div_errl{
    position: absolute;
    left: 40%;
    top: 30%;
    z-index: 1000;
    text-align: center;
    background-color:#ffffff;
}
.boton_login{
	border-bottom-left-radius:5px;
	border-bottom-right-radius:5px;
	border-top-left-radius:5px;
	border-top-right-radius:5px;
	width:90px;
	background-color:#2888C5;
	color:#FFFFFF;
	}
.overlay {
display: none;
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
z-index: 999;
background-color: black;
opacity: 0.30;
-ms-filter: "alpha (opacity=30)";
filter: alpha (opacity=30);
}