header{background-color:#d6eaf8;display:flex;align-items:center;padding:12px}.logo{height:50px;margin-right:15px}footer{background-color:#e0e0e0;color:#333;text-align:center;font-size:14px;padding:12px;position:fixed;bottom:0;width:100%}table{width:80%;margin:20px auto;border-collapse:collapse}th,td{padding:10px;border:1px solid #ddd;text-align:center}th{background:#4a69bd;color:#fff}tr:nth-child(2n){background:#f2f2f2}h1,h2{font-family:Poppins,sans-serif;color:#00796b;font-size:24px;font-weight:700;letter-spacing:1px}h2{font-size:20px}h1{font-family:Poppins,sans-serif;color:#4169e1;font-size:26px;font-weight:700;letter-spacing:1px}h4{text-align:center}.error{color:red;font-size:.9em}button{width:100%;padding:10px;background:#007bff;color:#fff;border:none;cursor:pointer}form{max-width:300px;margin:auto;padding:20px;background:#f9f9f9;border-radius:8px}input{display:block;width:100%;padding:8px;margin-bottom:10px;border:1px solid #ccc}