Thread:Ryukama/@comment-5730404-20190105174839/@comment-35244094-20190105232913

}

a[href$="/wiki/User:Slimper"], a[href$=":Slimper"], a[href$="/Slimper"]{ background-image: url(https://vignette.wikia.nocookie.net/joke-battles/images/a/a5/Fire_red.gif); color: #FF0000; }

Put this on Mediawiki:Common.css