body{font-family:Georgia,serif;margin:0;background:#f7f8fa;color:#222}
header,footer{background:#123b63;color:#fff;padding:24px}
nav a{color:#fff;text-decoration:none;margin-right:16px}
.container{max-width:1100px;margin:auto;padding:30px}
.card{background:#fff;border:1px solid #ddd;border-radius:6px;padding:24px;margin:30px 0}
.btn{background:#123b63;color:#fff;padding:12px 18px;text-decoration:none;border-radius:4px}
h1,h2,h3{color:#123b63} header h1,header p{color:#fff}
pre{white-space:pre-wrap}