CSS Animation Ken Burns 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: #333;
}

.kb-container {
    width: 600px;
    height: 400px;
    overflow: hidden; /* Critical to crop the scaling image */
    position: relative;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.kb-image {
    width: 100%;
    height: 100%;
    
    /* Use a high resolution image so it doesn't pixelate when zoomed */
    background-image: url('/pix/samples/22l.jpg');
    background-size: cover;
    background-position: center;
    
    /* 
       Ensure scaling originates from roughly the center 
       so it feels like a slow push in.
    */
    transform-origin: 50% 50%;
    animation: ken-burns 15s ease-out infinite alternate;
}

/* 
    The classic effect scales slowly up and pans slightly.
    Notice we scale to 1.2 (120%) over 15 seconds.
*/
@keyframes ken-burns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    100% {
        transform: scale(1.2) translate(-20px, 10px);
    }
}

/* Optional Overlay Text */
.kb-text {
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
    margin: 0;
}

@media (prefers-reduced-motion: reduce) {
    .kb-image {
        animation: none; /* Just display a beautiful static image */
    }
}
</style>

<div class="kb-container">
    <div class="kb-image"></div>
    <h2 class="kb-text">Explore the Wild</h2>
</div>