body { font-family: Arial, sans-serif; max-width: 600px; margin: 20px auto; }
input, textarea { width: 100%; padding: 5px; }
button { padding: 10px 20px; background: #007BFF; color: #fff; border: none; cursor: pointer; }
button:hover { background: #0056b3; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { padding: 5px; text-align: left; }