JSFiddle - React, Tailwind, and code Playground

HTML

<h1><span>Wie bekomme ich das hin?</span></h1>

CSS

h1 {
  line-height: 1.34;
  padding: 0;
  width: 300px;
}
h1 span {
  background-color: red;
  color: white;
  display: inline;
  padding: 2px 5px;

  /* prefix ? */
  box-decoration-break: clone;
}