canvas {
    border: 1px solid #ccc;
    border-radius: 4px;
}

#captchaInput {
    width: 100%;
    padding: 8px;
    margin: 5px 0 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.captcha-message {
    text-align: center;
    margin-top: 5px;
}