body{font-family:Arial,sans-serif;margin:0;padding:0;background:#fafafa;color:#333}
header,footer{background:#f0f0f0;padding:15px;text-align:center}
h1{color:#0b57d0}a{color:#0b57d0;text-decoration:none}
main{padding:20px;max-width:800px;margin:0 auto;background:#fff}