Sorry, I don't think I was clear in my previous comment here. I meant the *entire thing*, all the content, gets wrapped in one big main>article to separate it from the header and footer, then this heading acts as the main title for the entire article. Closing these elements here is saying this one heading is both the main content of the page (so all other content is supplemental) and it's a standalone article (when it's really just a title with no other content). These elements should be closed at the end of the content block.

The h1 can be styled however you need it without any extra wrappers for the title alone, but the main and article elements around the whole content add meaning as well as style hooks.

 See http://developers.whatwg.org/grouping-content.html#the-main-element and http://developers.whatwg.org/sections.html#the-article-element for more about these elements.