Html elements sub, kbd, and strong

sub element Specifies that the enclosed text should be rendered in the browser as subscript, kbd element Specifies that the enclosed text should be formatted as keyboard input, 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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sub sub and kbd, sub, kbd, and strong

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