body{
background-image:url(https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1593551356157&di=163aa8fbfe966d020efa566eb354c20b&imgtype=0&src=http%3A%2F%2Fi0.hdslb.com%2Fbfs%2Farticle%2F95d5d237cc8258b24daa0d25205dd0a4ea0075c9.gif);
background-size:100% 100%;
background-attachment:fixed;
}
.post{

}
.HeaderBar>tbody>tr{
padding-left:50px;
}
.HeaderTitle{
font-family:Courier New,Edwardian Script ITC;
font-size:50px;
padding-left:30px;
font-weight:900;
}
#top{
background-image:none;
}
#main{
background-color:rgba(255,255,255,0);
margin-left:242px;
}
#leftmenu{
margin-left:20px;
margin-top:39px;
postion:fixed;
background:rgba(255,255,255,0.25);
}
@keyframes snow{
	0%{
		background-position: 0 0;
	}
	100%{
		background-position: 500px 1000px;
	}
}
#snowmask{
	width: 100%;height: 100%;
	background:url(https://picabstract-preview-ftn.weiyun.com/ftn_pic_abs_v3/f6f7d9bd7f483002f140931ba0f81c6147c3bb5cd2e67e2d87733d99614c16779eb144c451296cbd7e04824a88d14218?pictype=scale&from=30113&version=3.3.3.3&uin=3080054425&fname=snow1.png),url(https://picabstract-preview-ftn.weiyun.com/ftn_pic_abs_v3/bf365aa47ad66af2f3f5bd64c8e8327fda09f4d641cfc5326dee22b6f202eb12a09950a6df76aee8087e95d49a9be5c8?pictype=scale&from=30113&version=3.3.3.3&uin=3080054425&fname=snow2.png);
	position: fixed;
	left: 0;top: 0;
	z-index: 6;
	animation: 20s snow linear infinite;
	pointer-events: none;
}