Html elements h3, audio, and base

h3 element Heading Level 3, audio element The audio element is used to embed sound content in an HTML or XHTML document, base element Specifies a base URL for all of the relative URLs in the document to use. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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h3 h3 and audio, h3, audio, and base

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