html,
body{
	height: 100%;
}

body{
	display: flex;
	align-items: center;
	padding-top: 40px;
	padding-bottom: 40px;
	background: url(../img/background-lg.png) center center,
				#000000;
}

.form-signin{
	max-width: 450px;
}
.form-signin form .information{
	background-color: rgba(255, 255, 255, 0.8);
}