HTML5: aside – tangential content (NEW)

aside – tangential content ⓘ NEW # T

The aside element represents content that is tangentially related to the content that forms the main textual flow of a document.

zero or more style elements, followed by flow content

The sectioning element aside must not appear as a descendant of the address element.

An aside element must have both a start tag and an end tag.

any element that can contain flow elements

In printed documents, the type of tangential content that the aside element represents is sometimes formatted as a sidebar or annotation or footnote.

aside {

display: block; }