To HTML Content Category Interactive

Html elements video, base, and strong

video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, base element Specifies a base URL for all of the relative URLs in the document to use, strong element Specifies that the enclosed text should be rendered in the browser as "strong" (usually bold) text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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video video and base, video, base, and strong

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