Html elements mark, video, and nav

mark element The HTML Mark Element (<mark>) represents highlighted text, i, video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, nav element The HTML Navigation Element (<nav>) represents a section of a page that links to other pages or to parts within the page: a section with navigation links. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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mark mark and video, mark, video, and nav

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