Bootstrap Typography
Bootstrap provides simple and easily customized typography for headings, body text, lists, and many more.
Headline
<h1> to <h6>By default, Bootstrap has HTML headings (<h1> to <h6>) that are given below:
Example
<h1>h1. Bootstrap heading</h1>
<h2>h2. Bootstrap heading</h2>
<h3>h3. Bootstrap heading</h3>
<h4>h4. Bootstrap heading</h4>
<h5>h5. Bootstrap heading</h5>
<h6>h6. Bootstrap heading</h6>