Animated text underline in CSS only

.animated-underline {
    position: relative;
    text-decoration: none;
}

.animated-underline::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    width: 100%;
    height: 0.125em;
    background-color: hsl(200deg, 100%, 50%);
    transition: transform 320ms ease;
    transform: translate(-50%, 0%) scaleX(0);
    transform-origin: right;
}

.animated-underline:hover::after {
    transform-origin: left;
    transform: translate(-50%, 0%) scaleX(1);
}

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