:root{--hue:100;--bg:hsl(var(--hue), 50%, 90%);--fg:hsl(var(--hue), 20%, 20%)}body{color:var(--fg);background-color:var(--bg);touch-action:none;-webkit-user-select:none;user-select:none;overscroll-behavior:none;flex-direction:column;width:100vw;height:100vh;font-family:Overpass Mono,monospace;display:flex;overflow:hidden}section{flex-grow:1;justify-content:center;align-items:center;display:flex}header{margin:1em}#thing{border:3px solid var(--fg);background-color:hsl(var(--hue), 0%, 50%);width:20vw;height:20vw}