:root{font-family:system-ui,sans-serif;color:#f8f8fc;background:#0d132b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;min-width:280px}main{width:min(100% - 2rem,30rem);margin:4rem auto;padding:2rem;background:#161d3d;border-radius:1rem}h1{font-size:1.75rem;color:#cbbeff;margin-block-start:0}p{line-height:1.8}