MediaWiki:Vector-2022.css

(subjectpageheader)

(clearyourcache)

body {
  background: image-set(url("/files/img/ia/ia-background.avif") type("image/avif"),
                        url("/files/img/ia/ia-background.png")  type("image/png"))
              fixed center center / cover;
  color:      rgba(0, 0, 0, 1);
}