body { font-family: Arial, sans-serif; margin: 0; padding: 20px; background: #f5f5f5; }
        header { text-align: center; background: #2c3e50; color: white; padding: 30px; border-radius: 10px; margin-bottom: 30px; }
        h1 { margin: 0; }
        table { width: 100%; border-collapse: collapse; background: white; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #ddd; }
        th { background: #3498db; color: white; }
        tr:hover { background: #f1f1f1; }
        footer { text-align: center; margin-top: 30px; color: #666; }
        a { color: #3498db; }