:doodle { @grid: @rand(5, 15) / 70vmin; background: black; --border-radius: @rand(10, 50)%; } background: @p("#5e0b45", "#99003a", "#d0002b", "#ff4000", "#fbb800", "#012f68"); box-shadow: 1px 3px 7px 0px rgba(0, 0, 0, 0.3); transition: all ease 0.5s; border-radius: var(--border-radius); transform: scale(@rand(0.1, 3)) translate3d(@rand(-50px, 50px), @rand(-100px, 100px), 0);; z-index: @rand(1, 100); display: @rand('none', 'block');