CSS Animation Text Gradient Shift 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: #222;
}

.gradient-text {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    
    /* 1. Set the gradient background */
    background: linear-gradient(
        to right, 
        #ff00cc, 
        #3333ff, 
        #00ffcc, 
        #ff00cc
    );
    /* Make the background oversized so we can pan it */
    background-size: 300% auto;
    
    /* 2. Clip the background to the text (Webkit specific but widely supported) */
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    
    /* 3. Animate the background position */
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to {
        background-position: 300% center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gradient-text {
        animation: none; /* Stops the color shift */
        background-position: 0% center; /* Locks it to the first color stop */
    }
}
</style>

<div class="gradient-text">Gradient</div>