JSFiddle - React, Tailwind, and code Playground

HTML

<div class='table'>
    <div class='row'>
        <div class='cell'>
            How to make two div heights equal with css.How to make two div heights equal with css.
        </div>
        <div class='cell'>
            How to make two div heights equal with css. How to make two div heights equal with css. How to make two div heights equal with css. How to make two div heights equal with css. How to make two div heights equal with css.
        </div>
    </div>
</div>

CSS

.table {
    display: table;
}
.row {
    display: table-row;
}
.cell {
    display: table-cell;
}