JSFiddle - React, Tailwind, and code Playground

HTML

<div><span>CSSを<br>完全に、理解した。</span></div>

CSS

body {
  padding: 2em;
}
div {
  border: 1px solid #000;
  border-radius: 5px;
  width: 10em;
  height: 3em;
  box-sizing: border-box;
}
span {
  display: block;
  font-size: large;
  white-space: nowrap;
  text-indent: -2em;
  padding-left: 8em;
}