JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <div class="contant">
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
        <div class="item"></div>
    </div>
</body>

CSS

body {
    margin: 0;
    padding: 0;
    background-color: gray;
}

.contant {
    width: 520px;
    height: auto;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
}

.item {
    width: 100px;
    height: 100px;
    margin: 2px;
    background: green;
    float: left;
}
.item:hover {
    margin: -30px -28px;
    width: 160px;
    height: 160px;
    background: white;
    opacity: .5;
}