body { font-family: Arial, sans-serif; padding: 20px; }
h1 { color: #333; }
form { margin: 20px 0; }
input { padding: 10px; margin: 5px 0; }
button { padding: 10px 20px; background: #007BFF; color: white; border: none; cursor: pointer; }
button:hover { background: #0056b3; }