2.1.31 [CSS-Level2-2009] Section 8.1, Box dimensions

V0032:

The specification states:

 content edge or inner edge 
  
 The content edge surrounds the rectangle given by the width and height of the box, 
 which often depend on the element's rendered content. The four content edges define 
 the box's content box.

Quirks Mode (All Versions)

The content edge surrounds content, padding, and border.

V0033:

The specification states:

 padding edge 
  
 The padding edge surrounds the box padding. If the padding has 0 width, the padding 
 edge is the same as the content edge. The four padding edges define the box's 
 padding box.

Quirks Mode (All Versions)

The content edge surrounds content, padding, and border.

V0034:

The specification states:

 border edge
  
 The border edge surrounds the box's border. If the border has 0 width, the border 
 edge is the same as the padding edge. The four border edges define the box's border 
 box.

Quirks Mode (All Versions)

The border edge is equal to the content box. The width of the border is subtracted from the area available for content and padding.

Show: