:root{color:#213547;background-color:#fff;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}a{color:#1a73e8;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:4px;padding:.4rem .8rem}button:hover{background:#f5f5f5}