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background

The background property in CSS allows you to control the background of any element (what paints underneath the content in that element). It is a shorthand property, which means that it allows you to write what would be multiple CSS properties in one. Like this:

body {
  background:
     url(sweettexture.jpg)    /* image */
     top center / 200px 200px /* position / size */
     no-repeat                /* repeat */
     fixed                    /* attachment */
     padding-box              /* origin */
     content-box              /* clip */
     red;                     /* color */
}

background is made up of eight other properties:

You can use any combination of these properties that you like, in almost any order (although the order recommended in the spec is above). There is a gotcha though: anything you don't specify in the background property is automatically set to its default. So if you do something like this:

body {
  background-color: red;
  background: url(sweettexture.jpg);
}

The background will be transparent, instead of red. The fix is easy though: just define background-color after background, or just use the shorthand (e.g. background: url(...) red;)

Multiple Backgrounds

CSS3 added support for multiple backgrounds, which layer over the top of each other. Any property related to backgrounds can take a comma separated list, like this:

body {
  background: url(sweettexture.jpg), url(texture2.jpg) black;
  background-repeat: repeat-x, no-repeat;
}

Each value in the comma separated list corresponds to a layer: the first value is the top layer, the second value is the second layer, and the background color is always the last layer.

Recipes

See the Pen emBzRd by Timothy Miller (@tjacobdesign) on CodePen.

Browser Support

Support varies among the different specific properties, and each corresponding article in the Almanac has unique browser support notes. Basic single-color backgrounds and single images work everywhere though, and anything that isn't supported just falls back to the next best thing, whether that's an image or a color.

Chrome Safari Firefox Opera IE Android iOS
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