body
{
	background-image: url( "/_include_client/image/logo.png" );
	background-repeat: no-repeat;
	background-attachment: fixed;
	background-position: center;
	background-size: cover;
}

#div_centered
{
	max-width:300px;
	margin:0 auto;
	position:absolute;
	top:25%;
	transform: translateY(-25%);
	left:50%;
	transform: translateX(-50%);
}

.black_background_with_opacity
{
	background-color:black;
	opacity:0.7;
}

.centered-text
{
	text-align:center;
}