模板:Background/styles.css

.background-container {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;

	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;

	z-index: -1;
}

.background-dark {
	display: none;
}

.skin-theme-clientpref-night .background-light {
	display: none;
}

.skin-theme-clientpref-night .background-dark {
	display: block;
}