CSS background properties are used to define the background effects of an element.
CSS properties used for background effects:
The background-color property specifies the background color of an element.
The background color of a page is set like this:
With CSS, a color is most often specified by:
Look at CSS Color Values for a complete list of possible color values.
In the example below, the <h1>, <p>, and <div> elements have different background colors:
The background-image property specifies an image to use as the background of an element.
By default, the image is repeated so it covers the entire element.
The background image for a page can be set like this:
Below is an example of a bad combination of text and background image. The text is almost not readable:
By default, the background-image property repeats an image both horizontally and vertically.
Some images should be repeated only horizontally or vertically, or they will look strange, like this:
If the image is repeated only horizontally (repeat-x), the background will look better:
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Note: When using a background image, use an image that does not disturb the text. |
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Showing the image only once is specified by the background-repeat property:
In the example above, the background image is shown in the same place as the text. We want to change the position of the image, so that it does not disturb the text too much.
The position of the image is specified by the background-position property:
As you can see from the examples above, there are many properties to consider when dealing with backgrounds.
To shorten the code, it is also possible to specify all the properties in one single property. This is called a shorthand property.
The shorthand property for background is simply "background":
When using the shorthand property the order of the property values is:
It does not matter if one of the property values is missing, as long as the ones that are present are in this order.
This example uses more advanced CSS. Take a look: Advanced example
How to set a fixed background image
This example demonstrates how to set a fixed background image. The image will not scroll with the rest of the page.
| Property | Description |
|---|---|
| background | Sets all the background properties in one declaration |
| background-attachment | Sets whether a background image is fixed or scrolls with the rest of the page |
| background-color | Sets the background color of an element |
| background-image | Sets the background image for an element |
| background-position | Sets the starting position of a background image |
| background-repeat | Sets how a background image will be repeated |
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