JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="iB"></div>
    <div class="iB"></div>
    <div class="iB"></div>
    <div class="iB"></div>
    <div class="iB"></div>
    <div class="iB"></div>
    <div class="iB"></div>
</div>

CSS

.wrapper {
    width: 100%;
    background: red;
    text-align: center;
}

.iB {
    display:inline-block;
    width: 200px;
    height: 100px;
    background: green;
}