.modal {
	position: fixed; 
	z-index: 1;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.4);
}
.modal-content {
	background-color: rgba(0,0,0,0.0);
	margin: 100px auto; 
	width: 50%; 
}
#login {
	width: 100%;
	margin-bottom: 20px;
}
#passwd {
	width: 100%;
}