How do you use multiple background images on a single element?
Jul 15, 2025 am 12:59 AM
The key to setting multiple background images for elements in CSS is to use comma separation and attribute order correctly. 1. Use the background-image attribute and use commas to separate multiple image addresses. The first image is displayed on the top layer; 2. Use background-repeat, background-position and other attributes to control the display method of each image, and the values of each attribute correspond to each image in order; 3. You can also use the background abbreviation attribute to define all parameters at once to improve code readability and maintenance; 4. Actual applications include buttons and icons, decorative borders, page title bars and other effects. You can master the corresponding relationship between the order and attributes and use them flexibly.
In CSS, it is not difficult to set multiple background images for an element. The key lies in the understanding of syntax and cascade order. You just need to use background-image attribute and separate multiple image addresses with commas.
1. Basic writing method: Use commas to separate multiple background images
You can directly list multiple URLs in background-image property, each URL corresponding to a background image:
.element {
background-image: url('top-image.png'), url('bottom-pattern.jpg');
}These pictures will be stacked in the order you wrote, the first picture is on the top layer , and the latter one is arranged downwards in sequence. So if you want a pattern to be covered on the bottom layer and another icon floats on it, then pay attention to the order.
2. Use with other background attributes
Setting the background image separately is not enough. It is usually necessary to use background-repeat , background-position and other attributes to control the display method of each image.
For example, if you want the first picture to be centered and not repeated, the second picture should be tiled:
.element {
background-image: url('icon.png'), url('pattern.jpg');
background-repeat: no-repeat, repeat;
background-position: center center, 0 0;
} What should be noted here is that each child attribute (such as background-repeat ) should also correspond to each picture in order . That is to say, the first value is given to the first picture, and the second one is given to the second picture.
3. Use abbreviation attributes to be clearer
If you think it's too long to write separately, you can also use background abbreviation attribute to do it at one time:
.element {
background:
url('icon.png') no-repeat center center,
url('pattern.jpg') repeat 0 0;
}This writing style looks clearer and easier to maintain. However, remember that different browsers may have slightly different support for abbreviation, so it is recommended to test it.
4. Examples of practical application scenarios
- Button plus icon : Overlap an icon on the button background image.
- Decorative borders : Use multiple background images to simulate complex border effects.
- Page title bar : The base image is a gradient or texture, and a decorative icon is placed on the upper layer.
For example:
.header {
background-image: url('title-icon.svg'), url('gradient-bg.png');
background-repeat: no-repeat, repeat-x;
background-position: left center, center top;
}This will achieve the effect of a gradient background above the icon on the left.
Basically, it is very convenient to master the correspondence between the order and attributes.
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