JSFiddle - React, Tailwind, and code Playground
HTML
<div class="row">
<div class="el"></div>
<div class="el"></div>
<div class="el"></div>
<div class="el"></div>
<div class="el"></div>
</div>
CSS
.el {
width: 50px;
height: 50px;
background-color: red;
margin: 10px;
}
.row {
border: 1px solid black;
display: flex;
flex-direction: column;
flex-wrap: wrap;
justify-content: center;
align-content: flex-start;
height: calc((10px + 50px + 10px) * 3);
}