.layadmin-user-login-main {
	background: rgba(255, 255, 255, 0.4);
	box-shadow: 1px 0px 8px #888888;
	border-radius: 6px;
	position: absolute/fixed;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	margin: auto;
	width: 410px;
}
body {
	height: 100%;
	width: 100%;
	overflow: hidden;
	background-size: cover;
	background-repeat: no;
}
#background_video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    -o-object-fit: cover;
    object-fit: cover;
    height: 100%;
    width: 100%;
    background: #fff;
    z-index:-100;
}
.login-title-font{
	font-size:46px;
	font-family:"微软雅黑";
	font-weight:900;
}