Refer to the My Favorite Eras source code, below:

Provide a modified table that is more accessible. Specifically, add an id attribute value to the th element at the head of each column and each row. Also, add a header attribute to the Mesozoic and Cenozoic th elements and to every td element.

emeta charset-"utf-8"> emeta name-"author" content-"John Dean"> title>Earth Eras

colspan attribute /tr> mya to today /tr>

My Favorite Eras

Eras	Events
Mesozoic 251 to 65.5 mya	Evolutionary split between reptiles and dinosaurs	235 mya
South America breaks away from Africa	105 mya
Cenozoic 65.5	Modern mammals appear	40 mya
	Tool-making humanoids appear	2 mya
	First Rolling Stones reunion tour	11, 000 years ago