CSS Animation Caption Slide Up 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;
}

.card {
    position: relative;
    width: 300px;
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* The caption overlay starting state */
.caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px;
    box-sizing: border-box;
    /* Move caption entirely out of frame downwards */
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

.caption h3 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

.caption p {
    margin: 0;
    font-size: 0.9rem;
    color: #ccc;
}

/* On hover, slide the caption back into view */
.card:hover .caption,
.card:focus-within .caption {
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .caption {
        transition: none; /* Instant snap */
    }
}
</style>

<div class="card" tabindex="0">
    <img src="/pix/samples/30m.jpg" alt="Beach photo demonstrating zoom effect" />
    <div class="caption">
        <h3>Ocean Voyage</h3>
        <p>Explore unseen territories.</p>
    </div>
</div>