:root{color-scheme:dark;font-family:Avenir Next,Segoe UI,sans-serif;background:radial-gradient(circle at top left,rgba(144,202,249,.18),transparent 28%),radial-gradient(circle at bottom right,rgba(255,193,7,.1),transparent 22%),linear-gradient(180deg,#12263a,#0b1724);color:#eef5ff}*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden}body{background:linear-gradient(135deg,rgba(29,73,116,.55),transparent 45%),linear-gradient(180deg,#08121c,#10273d)}canvas{display:block}