MediaWiki:Common.css

/* CSS placed here will be applied to all skins */ body:after { position: absolute; z-index:-1; top:45px; right:0; bottom:0; left:0; background: linear-gradient(to bottom, rgba(26, 26, 26, 0.1) 60%, rgba(26, 26, 26, 0.1) 70%, rgb(26, 26, 26) 100% ), url(https://static.miraheze.org/godherjawiki/4/4f/Godherja-Background.jpg); background-repeat:no-repeat; background-size:103%; content:''; opacity:1; }