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.

Permitted contents #

zero or more style elements, followed by flow content

Permitted attributes #

ⓘ global attributes: Any attributes permitted globally.

Additional constraints and admonitions #

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

Tag omission #

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

Permitted parent elements #

any element that can contain flow elements

Details #

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

DOM interface #

Uses HTMLElement.

Typical default display properties #

aside {

display: block; }

aside {

font-size: 1.5em;

margin-before: 0.83em;

margin-after: 0.83em; }

aside, aside {

font-size: 1.17em;

margin-before: 1em;

margin-after: 1em; }

aside, aside, aside {

font-size: 1.00em;

margin-before: 1.33em;

margin-after: 1.33em; }

aside, aside, aside, aside {

font-size: .83em;

margin-before: 1.67em;

margin-after: 1.67em; }

aside, aside, aside, aside, aside {

font-size: .67em;

margin-before: 2.33em;

margin-after: 2.33em; }

HTML: The Markup Language