JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1">
    ABC
</div>
<div id="div2">
   ABC DEF GHI JKL MNO
</div>

CSS

#div1 {
    width: 50px;
    background-color: red;
    float: left;
}

#div2 {
    width: 50px;
    background-color: green;
    float: left;
}