.simpleCaptcha{
    margin: 20px;
    padding:8px;background-color:#f7f7f9;
    border:1px solid #e1e1e8;
}
.captchaImages{margin:5px}.captchaImages .captchaImage{border:2px solid #e1e1e8;cursor:pointer;margin:5px}.captchaImages .simpleCaptchaSelected{border:2px solid GREEN}

.simpleCaptcha.error{border:1px solid red;}

.simpleCaptcha.success{border:1px solid green;}

.captcha_error {
    font-weight: bold;
    color: red;
    display: inline-block;
    padding: 2px 8px;
    margin-top: 2px;
}