JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
    <div class="col">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</div>
    <div class="col">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad omnis quae expedita ipsum nobis praesentium velit animi minus amet perspiciatis laboriosam similique debitis iste ratione nemo ea at corporis aliquam.</div>
</div>

CSS

.row {
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
}

.col {
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    
    padding: 1em;
    border: solid;
}