/* Keeps the example centered and easy to compare. */
.container {
  max-width: 560px;
  margin: 3rem auto;
  font-family: system-ui, sans-serif;
}

/* Gives both paragraphs the same appearance. */
p {
  padding: 1rem;
  border: 1px solid #94a3b8;
  border-radius: 6px;
}

/* content generates this ::before box and places "NEW" inside it. */
.with-content::before {
  content: "NEW";
  background-color: #fde68a;
  padding: 0.25rem 0.5rem;
  border: 1px solid #d97706;
  margin-right: 0.75rem;
}

/*
  Without content, the browser does not generate this ::before box at all.
  content is not just its text; it tells the browser to create the
  pseudo-element, so the other styles have nothing to decorate.
*/
.without-content::before {
  background-color: #fde68a;
  padding: 0.25rem 0.5rem;
  border: 1px solid #d97706;
  margin-right: 0.75rem;
}