#popup-auth:not(.in) .flip-remind-btn span
{
    opacity: 0;
    visibility: hidden;
    font-size: 0 !important;
    transition: all 300ms ease;
}
#popup-auth.in .flip-remind-btn span
{
    opacity: 1;
    visibility: visible;
    transition: all 300ms ease;
}

#popup-auth.in .flip-container {
    height: 452px;
}
#popup-auth .flip-front .flip-content {
    margin-top: 17px;
}

#popup-auth .flip-front input[name=login] {
    margin-top: 0;
}

#popup-auth .flip-remind-btn {
    margin-top: 11px;
    text-align: center;
}
#popup-auth .flip-remind-btn span {
    display: inline-block;
    font-weight: normal;
    line-height: 16px;
    font-size: 12px;
    letter-spacing: 0.4px;
    color: #90A4AE;
    padding: 4px;
}
#popup-auth .flip-remind-btn span:hover {
    color: #008DEE;
    cursor: pointer;
}

@media (max-width: 767px) {
    /* фронтальная сторона */
    #popup-auth .flip-front .flip-header {
        margin-bottom: 19px;
    }

    #popup-auth .flip-front .flip-content {
        margin-top: 0;
    }
    #popup-auth .authForm {
        position: absolute;
        top: 0;
        bottom: 0;
        margin: auto 0;
        height: calc(53.334% + 26px);
        width: 100%;
    }
    #popup-auth .flip-front .flip-inputs {
        min-height: 150px;
        max-height: 200px;
    }
    #popup-auth .flip-front .flip-inputs .flip-input:last-child {
        max-height: 73px;
    }

    #popup-auth .flip-front .flip-footer {
        margin-bottom: 45px;
        margin-top: 34px;
    }

    #popup-auth .flip-confidential {
        position: absolute;
        top: 98px;
        left: calc(50% - 120px);
    }


    /* обратная сторона */
    #popup-auth .flip-back {
        min-height: 520px;
    }

    #popup-auth .flip-back .remindPasswordForm {
        position: absolute;
        top: 0;
        bottom: 0;
        margin: auto 0;
        height: 163px;
        padding-top: 44px;
    }

    #popup-auth .flip-back .flip-footer {
        margin-bottom: 43px;
    }

    #popup-auth .flip-back .flip-confidential {
        top: 162px;
    }
}