JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="inner">Hello world!</div>
</div>

CSS

.outer {
    width: 1px; /* Or zero, or something very small */
    margin: auto;
    overflow: visible;
    background: red; /* A color just for debug */
}
.inner {
    margin-left: 20px;
    background: yellow; /* A color just for debug */
    width: 100px;
}