#tianai-captcha-parent {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
}

#tianai-captcha-parent .content {
    margin-left: 0 !important;
    border-left: none !important;
    min-height: auto !important;
}

#tianai-captcha-logo {
    display: none !important;
}