MediaWiki:Chat.css

/* Thing for chatmod stars */ .User.chat-mod .username:after, .User.staff .username:after {background-image:none !important;}

.user .username:after {right: 6px !important;}

/* Custom Chatmod Star */ .User.chat-mod .username:after { content: url("https://images.wikia.nocookie.net/many-pages-of-white/images/9/9d/MPOWicon.ico.ico"); }