body{font-family:sans-serif;margin:0;background:#f7f7f7}
header{text-align:center;padding:20px}
header img{height:60px}
main{padding:16px}
section{background:#fff;margin-bottom:16px;padding:16px;border-radius:12px}
.donate{display:block;text-align:center;padding:12px;border-radius:8px;background:#4f46e5;color:#fff;text-decoration:none}