:doodle{ // @grid: 30x45; @grid: 20x35; // @size: 20rem 100%; // @size: 1440px 815px; @size: 100% 100%; grid-gap: 5px; background: #F8C9CD; position: fixed; z-index: -100; } @random(0.4) { border-top: 1px solid white; opacity: @rand(0.2,0.4); } @random(0.4) { border-left: 1px solid white; opacity: @rand(0.2,0.4); } background: rgba(221, 166, 170, @rand(0, 0.25)); transform: rotate(@p(±45deg));