.passwordMeterContainer {
    display: inline-block;
    position: relative;
}

.passwordMeterContainer>input {
    width: 100%;
    height: 100%;
}

.passwordMeter {
    content: '';
    height: 4px;
    overflow: hidden;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s;
}