User:Toji-san/common.css

body.mediawiki { background: url("https://vignette.wikia.nocookie.net/justiceleagues/images/5/52/Ascendance-of-a-bookworm-3-1920x1080_%281%29.jpg/revision/latest?cb=20200407055610&format=original") 100% / cover no-repeat fixed; }