JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
<div class="child">раз
<div class="child">два
<div class="child">три
<div class="child">четыре

CSS

.parent{
background:red;
margin:30px 0px;    
}

.child{
display:inline-block;
background:#ccc;
color:#fff;    
}