JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="wrapper2">
    <div class="inner">Hello<br>blao<br>blao<br>blao<br>bo<br>blao<br>blao<br>bla</div>
    <div class="inner">Peace</div>
    </div>
</div>
<BR><BR>
    
<div class="wrapper">
    <div class="wrapper2">
    <div class="inner">Hello</div>
    <div class="inner">Peace</div>
    </div>
</div>

CSS

.wrapper {
    display: table;
    background-color: #000;
    height: 100px;
    width: 100%;
}
.wrapper2 {
    height: 100%;
    display: table-row
}
.inner {
    height: 100%;
    display: inline-block;
    background-color: #777;
    margin-right: 10px;
    vertical-align: top;
}