Long description of illustration of box areas

This diagram illustrates the four areas of the generic CSS box: content, padding, border, and margin.

There are four nested boxes: the content area is the innermost, then padding, border, and margin areas. Each area has a different border style to distinguish its edge: the content edge is thin and solid; padding is thin and dashed; border is thick and solid; margin is thick and dashed.

Below the boxes, a legend lists the border styles used for the four edges.

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This page is from http://www.w3.org/TR/2011/REC-CSS2-20110607/. © 2014 by World Wide Web Consortium. License. Used with permission.