JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrap">
    <div id="one">1</div>
    <div id="two">2</div>
</div>

CSS

#wrap {
    max-width: 400px;
    margin: auto;
    border: 2px solid black;
    font-size:0px;
}
#one, #two {
    display:inline-block;
    width:50%;
    font-size:16px;
}