#btn_refresh_captcha {
    cursor: pointer;
    font-size: 35px;
    color: #808080;
    vertical-align: top;
}

    #btn_refresh_captcha:hover {
        color: #EE4C61;
    }


.err {
    color: red;
}

.ok {
    color: green;
}

.small-loading {
    width: 25px;
    height: 25px;
}