#captcha-container {
    display: none;
    width: 350px;
    height: 310px;
    padding: 15px;
    border: 1px solid #b1b3b8;
    background-color: #f5f6f7;
    position: fixed;
    z-index: 10000;
    left: 50%;
    top: 50%;
    margin-left: -191px;
    margin-top: -161px;
    border-radius: 10px;
    box-shadow: 0 0 0 1px hsla(0, 0%, 100%, .3) inset, 0 .5em 1em rgba(0, 0, 0, 0.6);
}

@media (min-width: 300px) and (max-width: 576px) {
    #captcha-container {
        display: none;
        width: 350px;
        height: 310px;
        padding: 15px;
        border: 1px solid #b1b3b8;
        background-color: #f5f6f7;
        position: fixed;
        z-index: 10000;
        left: calc((100% - 350px)/2);
        top: 50%;
        margin-left: 0;
        margin-top: -161px;
        border-radius: 10px;
        box-shadow: 0 0 0 1px hsla(0, 0%, 100%, .3) inset, 0 .5em 1em rgba(0, 0, 0, 0.6);
    }
}


#captcha-container .captcha-imgbox {
    position: relative;
}

#captcha-container .captcha-imgbox .step {
    position: absolute;
    width: 20px;
    height: 20px;
    line-height: 20px;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    color: #f04848;
    border: 3px solid #f04848;
    background-color: #fff;
    border-radius: 30px;
    box-shadow: 0 0 10px #fff;
    -webkit-user-select: none;
    user-select: none;
}

#captcha-container .captcha-img {
    width: 318px;
    height: 200px;
    border: none;
}

#captcha-container .captcha-title {
    font-family: 'Microsoft YaHei';
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    text-align: center;
    color: #333;
}

#captcha-container .captcha-title span {
    font-size: 16px;
    font-weight: bold;
    color: #c00;
}

#captcha-container .captcha-title span.captcha-clicked {
    color: #069;
}

#captcha-container .captcha-refresh-box {
    position: relative;
    margin-top: 10px;
}

#captcha-container .captcha-refresh-line {
    position: absolute;
    top: 16px;
    width: 140px;
    height: 1px;
    background-color: #ccc;
}

#captcha-container .captcha-refresh-line-left {
    left: 5px;
}

#captcha-container .captcha-refresh-line-right {
    right: 5px;
}

#captcha-container .captcha-refresh-btn {
    display: block;
    margin: 0 auto;
    width: 32px;
    height: 32px;
    background: url(../image/refresh.png) no-repeat;
}

#captcha-container .captcha-refresh-btn:hover {
    background-position: -32px 0;
}

#captcha-mask {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    background-color: rgb(0, 0, 0);
}