The main element represents the dominant content in the body of the page.

As per the others, let’s wrap our h2 and h3 headings, paragraphs and images with a main opening and closing tag:


  <h2>Anatomy and Physiology</h2>
  <p>The largest living species of turtle (and fourth-largest reptile) is the leatherback turtle which can reach over 2.7 m (8 ft 10 in) in length and weigh over 500 kg (1,100 lb).</p>
  <p>The shell of a turtle is unique among vertebrates and serves to protect the animal and provide shelter from the elements.</p>

  <h3>Diet and Feeding</h3>
  <p>Most turtle species are opportunistic omnivores; land-dwelling species are more herbivorous and aquatic ones more carnivorous.</p>
  <p>Turtles generally eat their food in a straightforward way, though some species have special feeding techniques.</p>

  <img src=""/>
  <img src=""/>
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The content in the main should have a purple background.

Here’s our page so far:

Screenshot of page with purple background.