查看“MediaWiki:Common.css”的源代码

/* 这里放置的CSS将应用于所有皮肤 */
ca-talk {display：none！important; }
body {background-image: url('http://5b0988e595225.cdn.sohucs.com/images/20181001/22675538dda24998a654b94fdc81c7fe.jpeg');
		background-position: center;
		background-repeat: no-repeat;
		background-size: cover;
		background-attachment: fixed;}
#mw-page-base {
	opacity:0;
    background-position: bottom left;
    height: 5em;
}