.captcha {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
    border: 2px solid #e0e0e0;
}

.captcha label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.captcha #num1, .captcha #num2 {
    font-weight: bold;
    color: #0078d4;
}