User:Ar1bUg

<!doctype html>        New Tab         body {        background: #EDD3FF;        margin: 0;      }

#backgroundImage {       border: none;        height: 100%;        pointer-events: none;        position: fixed;        top: 0;        visibility: hidden;        width: 100%;      }

[show-background-image] #backgroundImage {       visibility: visible;      }                         