body { font-family: Arial, sans-serif; padding: 20px; background: #f7f7f7; }
form { background: #fff; padding: 20px; border-radius: 8px; max-width: 400px; margin: auto; box-shadow: 0 0 10px rgba(0,0,0,0.1); }
input, select, button { display: block; width: 100%; margin-bottom: 10px; padding: 8px; }