I noticed that your < main > tag is nested inside #wrapper and #main_content_section. This is "hierarchically-correct" according to W3 specs, but WebAIM says:<br/><blockquote>Quote< header >, < main >, and < footer > must be direct children of < body > to be exposed to screen readers. They cannot be nested within other container elements.</blockquote>Which is a bit of a nuisance. With a forum it...