header element The HTML Header Element (<header>) represents a group of introductory or navigational aids, video element The HTML <video> element is used to embed video content in an HTML or XHTML document, style element Creates a style sheet within the document. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':