Html elements header, hgroup, and br

header element The HTML Header Element (<header>) represents a group of introductory or navigational aids, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, br element Specifies a hard line break in the text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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header header and hgroup, header, hgroup, and br

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