翻转卡片

Smile
Slience 
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.container {
    width: 90%;
    max-width: 600px;
    height: auto;
    min-height: 300px;
    margin: 20px auto;
    padding: 20px 10px;
    border: 2px solid #000;
    border-radius: 7px;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}
.flip-card {
    position: relative;
    display: flex;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    perspective: 500px;
}
.flip-front, .flip-back {
    width: 100%;
    height: 100%;
    position: absolute;
    border-radius: 5px;
    backface-visibility: hidden;
    transition: transform 1s ease-in-out;
}
.flip-back {
    display: flex;
    font-size: 2em;
    justify-content: center;
    align-items: center;
    color: #000;
    background-color: #e2e1e1;
    border: 2px dotted palevioletred;
}
.flip-card:hover .flip-front {
    transform: rotateY(-180deg);
}
.flip-card .flip-back {
    transform: rotateY(180deg);
}
.flip-card:hover .flip-back {
    transform: rotateY(0deg);
}
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<div class="container">
    <div class="flip-card">
        <img class="flip-front" src="src/img/smile.jpg" alt="smile">
        <div class="flip-back">
            <span>Smile</span>
        </div>
    </div>
</div>

九宫格

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.jiu {
    display: grid;
    width: 300px;
    height: 300px;
    grid-template-columns: repeat(3, 1fr);
}
.jiu-item {
    overflow: hidden;
    transition: 0.1s;
    background-image: url(https://p3-pc.douyinpic.com/img/aweme-avatar/tos-cn-i-0813c001_ocAAAPjStmnQfCHA0FDXjI7hCqe9EjFgAcrAUL~c5_300x300.jpeg?from=2956013662);
    background-size: 300px 300px;
    background-position: var(--bgX, 0) var(--bgY, 0);
    transform: translate(0, 0);
}
.jiu:active .jiu-item {
    box-shadow: inset 0 0 0 1px #fff;
    transform: translate(var(--disX, 0), var(--disY, 0));
}
.jiu-item:hover {
    box-shadow: inset 0 0 0 1px #fff;
    transform: translate(var(--disX, 0), var(--disY, 0));
}
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<div class="jiu">
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
    <div class="jiu-item"></div>
</div>
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const items = document.querySelectorAll('.jiu-item');
for (let i = 0; i < items.length; i++) {
    const item = items[i];
    const r = Math.floor(i / 3);
    const c = i % 3;
    const bgX = -c * 100 + '%';  // 每格宽度 100px
    const bgY = -r * 100 + '%';  // 每格高度 100px
    // 鼠标悬停时每个格子向外偏移20px，中心格（c=1, r=1）不动
    const disX = (c - 1) * 20 + 'px';
    const disY = (r - 1) * 20 + 'px';
    item.style.setProperty('--bgX', bgX);
    item.style.setProperty('--bgY', bgY);
    item.style.setProperty('--disX', disX);
    item.style.setProperty('--disY', disY);
}