.input-blink {
    animation: blink 0.25s 2;
}

.input-correct { }
.errmsg {
    display: none;
    color: #e74c3c;
    font-size: 13px;
    margin-top: 3px;
    padding: 0 5px;
}
@keyframes blink {
    0% {
        background-color: rgba(0, 0, 0, 0);
    }

    50% {
        background-color: rgba(255, 71, 87, 0.08);
    }

    100% {
        background-color: rgba(0, 0, 0, 0);
    }
}