JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="item1">A</div>
    <div class="item2">B</div>
</div>

CSS

.container { display: table; }
        .container .item1 { display: table-footer-group; }
        .container .item2 { display: table-header-group; }