100-Days-Of-Code/Web Development Python Projects/2.1+Heading+Element/2.1 Heading Element/index.html

<h1>Book</h1>
<h2>Chapter 1</h2>
<h3>Section 1</h3>
<h3>Section 2</h3>
<h2>Chapter 2</h2>
<h3>Section 1</h3>
<h4>Diagram 1</h4>
<h2>Chapter 3</h2>
<h3>Section 1</h3>
<h3>Section 2</h3>