CSS Background and Borders

CSS Background and Borders is a module of CSS that defines how background and borders of elements are described. Borders can be lines or images, boxes can have one or multiple backgrounds, have rounded corners, and shadows.

Reference

CSS Properties

Guides

Using CSS multiple backgrounds

Explains how to set backgrounds on elements and how they will interact with it.

Scaling background images

Describes how to change the appearance of the background images, by stretching them or repeating them, to cover the whole background of the element, or not.

Specifications

Specification	Status	Comment
CSS Backgrounds and Borders Module Level 3	Candidate Recommendation
CSS Level 2 (Revision 1)	Recommendation
CSS Level 1	Recommendation

Browser compatibility