hr

hr

<p>
  This is the first paragraph of text. This is the first paragraph of text. This
  is the first paragraph of text. This is the first paragraph of text.
</p>

<hr />

<p>
  This is the second paragraph of text. This is the second paragraph of text.
  This is the second paragraph of text. This is the second paragraph of text.
</p>

커스텀

hr {
  border: none;
  border-top: 3px double #333;
  color: #333;
  overflow: visible;
  text-align: center;
  height: 5px;
}

hr::after {
  background: #fff;
  content: '§';
  padding: 0 4px;
  position: relative;
  top: -13px;
}