CSS3 background-size Property
Example
Specify the size of a background image:
div
{
background: url(img_flwr.gif);
background-size: 80px 60px;
background-repeat: no-repeat;
}
Try it yourself »
More "Try it Yourself" examples below.
Definition and Usage
The background-size property specifies the size of the background images.
| Default value: | auto |
|---|---|
| Inherited: | no |
| Animatable: | yes. Read about animatable Try it |
| Version: | CSS3 |
| JavaScript syntax: | object.style.backgroundSize="60px 120px" Try it |
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Numbers followed by -webkit-, -moz-, or -o- specify the first version that worked with a prefix.
| Property | ||||||
|---|---|---|---|---|---|---|
| background-size | 4.0 1.0 -webkit- |
12.0 | 9.0 | 4.0 3.6 -moz- |
4.1 3.0 -webkit- |
10.5 10.0 -o- |
CSS Syntax
background-size: auto|length|cover|contain|initial|inherit;
Property Values
| Value | Description | Play it |
|---|---|---|
| auto | Default value. The background-image contains its width and height | Play it » |
| length | Sets the width and height of the background image. The first value sets the width, the second value sets the height. If only one value is given, the second is set to "auto" | Play it » |
| percentage | Sets the width and height of the background image in percent of the parent element. The first value sets the width, the second value sets the height. If only one value is given, the second is set to "auto" | Play it » |
| cover | Scale the background image to be as large as possible so that the background area is completely covered by the background image. Some parts of the background image may not be in view within the background positioning area | Play it » |
| contain | Scale the image to the largest size such that both its width and its height can fit inside the content area | Play it » |
| initial | Sets this property to its default value. Read about initial | Play it » |
| inherit | Inherits this property from its parent element. Read about inherit |
More Examples
Example
Stretch the background image to completely cover the content area:
div
{
background: url(img_flwr.gif);
background-size: 100% 100%;
background-repeat: no-repeat;
}
Try it yourself »
Example
Stretch the background image so that exactly four copies fit horizontally:
div {
background: url(w3css.gif);
background-size: 25%;
}
Try it yourself »
Related Pages
CSS3 tutorial: CSS3 Backgrounds
HTML DOM reference: backgroundSize property
