This changes the size of the BASEFONT, that all relative <FONT SIZE ...> changes are based on. It defaults to 3, and has a valid range of 1-7.

<BASEFONT SIZE=5>

FACE
This attribute allows changing of the face of the HTML document BASEFONT, exactly as it works for <FONT FACE= ...>

COLOR
This allows the BASEFONT colour for the HTML document to be set. Colours can either be set by using one of the reserved colour names, or as a hex rrggbb triplet value.

<ADDRESS> Block Formatting Elements Overview <BLOCKQUOTE>