CSS Animation Underline Swish Example

<!doctype html>
<title>Example</title>
<style>
body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: sans-serif;
    background-color: #f0f0f0;
}

nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 1.2rem;
    color: #333;
    text-decoration: none;
    position: relative;
    padding-bottom: 5px;
}

.nav-link::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    border-radius: 2px;
    background-color: #007bff;
    bottom: 0;
    left: 0;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform 0.3s ease-in-out;
}

.nav-link:hover::before {
    transform-origin: left;
    transform: scaleX(1);
}

@media (prefers-reduced-motion: reduce) {
    .nav-link::before {
        transition: none;
    }
}
</style>

<nav>
    <a href="#" class="nav-link">Home</a>
    <a href="#" class="nav-link">About</a>
    <a href="#" class="nav-link">Services</a>
    <a href="#" class="nav-link">Contact</a>
</nav>