.auth .auth__error {
    display: block;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    color: #ff6562;
    -webkit-transition: opacity .3s,visibility .3s;
    transition: opacity .3s,visibility .3s;
}

.auth .error__show {
    opacity: 1;
    visibility: visible;
}