@import 'mediawiki.skin.variables.less'; .skin-minerva-launch-image { background: url( dark-mode-banner.svg ) no-repeat 0 0; background-size: 100%; width: ~'calc(100% + @{spacing-300})'; margin: -@spacing-100 -@spacing-150 0 -@spacing-150; aspect-ratio: ( 2 / 1 ); }