CSS Backgrounds and Borders

CSS Backgrounds and Borders is a module of CSS that lets you style elements' backgrounds and borders. Backgrounds can be filled with a color or image, clipped or resized, and otherwise modified. Borders can be decorated with lines or images, and made square or rounded. Additionally, element boxes can be decorated with a shadow.

Reference

CSS Properties

Tools

Using multiple backgrounds

Explains how to set one or more backgrounds on an element.

Scaling background images

Describes how to change the size and repeating behavior of background images.

Applying color to HTML elements using CSS

An overview of how CSS color can be used in HTML, including for borders.

Border-image generator

This interactive tool lets you visually create border images (the border-image property).

Border-radius generator

This interactive tool lets you visually create rounded corners (the border-radius property).

Box-shadow generator

This interactive tool lets you visually create shadows behind elements (the box-shadow property).

Specifications