body { font-family: Arial, sans-serif; background: #f8f8f8; text-align: center; margin:0; padding:0; }
.navbar { background:#333; padding:10px; }
.navbar a { color:white; text-decoration:none; margin:0 15px; font-weight:bold; }
.container { background:white; max-width:600px; margin:30px auto; padding:20px; border-radius:8px; box-shadow:0px 0px 10px rgba(0,0,0,0.1); }
h1 { color:#333; }
footer { margin-top:30px; font-size:12px; color:#666; }