JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="container">
        <div class="children"></div>
        <div class="children"></div>
        <div class="children"></div>
        <div class="children"></div>
        <div class="children"></div>
        <div class="children"></div>
        <div class="children"></div>
    </div>
</div>

CSS

.wrapper {
    padding: 10px;
    border: 1px solid blue;
    text-align: center;
}
.container {
    border: 1px solid red;
    display: inline-block;
}
.children {
    
    
    
    background: green;
    width: 50px;
    height: 50px;
    border: 1px solid yellow;
}