body { font-family: Arial; background: #f4f4f4; }
.container { width: 400px; margin: 50px auto; background: white; padding: 20px; border-radius: 10px; }
input, select, button { width: 100%; margin: 10px 0; padding: 10px; }
button { background: #2c7be5; color: white; border: none; }