sup element Specifies that the enclosed text should be rendered in the browser as superscript, em element Specifies that the enclosed text should be emphasized, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section. 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':