JSFiddle - React, Tailwind, and code Playground

HTML

<h3>First example, less than min-width</h3>
<div class="container">
    <span>foo</span>
</div>

<h3>Second example, greater than min-width</h3>
<div class="container">
    <span>foobarbaz bbnsoadvosdvsvd </span>
</div>

CSS

.container {
    display: inline-block;
    min-width: 100px;
    background: #fcc;
    margin: 0 0;
    margin-top: 30px;
}
.container > span {
    background: #ccf;
    
}