(must)(deprecated) The bgcolor attribute sets the background color for the document body or table cells, affecting these elements: BODY, TABLE, TR, TH and TD. The value for this attribute is a color (section 6.5)
(must)(deprecated) The align attribute specifies the horozontal alignment of its element with respect to the surrounding context. In section 15.1.2, it is only defined for text elements. It has four values: left, center, right and justify.
(must)(deprecated) The default value for the align attribute depends on base text direction. For left to right text, the default value is left. For right to left text, the default value is right.
(must)(deprecated) The align attribute for object, images, tables, frames, etc., causes the object to float to the left or right margin. Section 15.1.3 only considers the align attribute for use with object, images, tables, frames, etc.
(must)(deprecated) The left value for the align attribute floats the object to the current left margin. Subsequent text flows along the image's right side.
(must)(deprecated) The right value for the align attribute floats the object to the current right margin. Subsequent text flows along the image's left side.
(must)(deprecated) The clear attribute is defined for the BR element. The clear attribute specifies where the next line should appear in a visual browser after the line break caused by BR.
(must)(deprecated) The left value for the clear attribute means that the next line will begin at the nearest line below any floating objects on the left-hand margin.
(must)(deprecated) The right value for the clear attribute means that the next line will begin at the nearest line below any floating objects on the right-hand margin.
(must)(deprecated) The all value for the clear attribute means that the next line will begin at the nearest line below any floating objects on either margin.
(must)(deprecated) Some possible values for the size attribute are the integers between 1 and 7. These integers set the font to some fixed size, whose rendering depends on the user agent.
(must)(deprecated) The other possible values for the size attribute are relative increases in font size. The value "+1" means one size larger. The value "-3" means three sizes smaller. All sizes belong to the scale of 1 to 7.
(should)(deprecated) The face attribute of the FONT and BASEFONT tags defines a comma-separated list of font names the user agent should search for in order of preference
(must)(deprecated) The base font size does not apply to headings, except where these are modified using the FONT element with a relative font size change.
(must)(deprecated) The noshade attribute of the HR element is a boolean attribute that, when set, requests taht the user agent render the rule in a solid color rather than as the tradional two-color "groove".
(must)(deprecated) The value of the size attribute of the HR element is measured in pixels. The default value for this attribute depends on the user agent.
(must)(deprecated) The width attribute specifies the width of the rule. The default value for this attribute is 100%, which means that the rule extends across the entire canvas.