No worries, and thanks!
One issue may've been a missing closing tag for your final div at the bottom; an html syntax error.
The main specific issues though were that you had Header but wanted instead header, and wanted the h2 in the div.header tag:
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0;">
<link rel="stylesheet" href="main.css">
<h3>More About Me
<p>I have a long history in retail and food service industries, working as a manager and supervisor for many companies. I am very resourceful and enjoy working as fast and efficient as possible. I am hoping to bring my work ethic and attention to detail
to the development world.
<p>I have always loved computers and the endless world wide web.
<p>The way to get in touch with me is by sending me an <a href="mailto:FrozenChanana@email.com">email</a>
Please let me know if you have any other questions!