95 lines
2.5 KiB
Markdown
95 lines
2.5 KiB
Markdown
---
|
||
title: CSS3 Backgrounds
|
||
---
|
||
## CSS3 Backgrounds
|
||
|
||
The CSS `background` shorthand property is used to define multiples properties like :
|
||
|
||
`background-color`, `background-image`, `background-repeat`, `background-attachment` and `background-position`
|
||
|
||
### Background Color
|
||
|
||
The `background-color` property specifies the background color of an element.
|
||
|
||
```css
|
||
background-color : #F00;
|
||
```
|
||
|
||
### Background Image
|
||
|
||
The `background-image` property specifies an image to use as background of an element.
|
||
By default, the image repeat itself to covers the entire surface of the element.
|
||
|
||
```css
|
||
background-image: url("GitHub-Mark.png");
|
||
```
|
||
|
||
### Background Image - Repetition
|
||
|
||
By default, the `background-image` property repeats on the X and Y axis.
|
||
If you want to set an axis, like X axis, use `background-repeat` property type:
|
||
|
||
```css
|
||
background-image: url("GitHub-Mark.png");
|
||
background-repeat: repeat-x;
|
||
```
|
||
|
||
But sometimes you don't want to have your background on all the surface, you've to specify it by typing:
|
||
|
||
```css
|
||
background-image: url("GitHub-Mark.png");
|
||
background-repeat: no-repeat;
|
||
```
|
||
|
||
### Background Image - Position
|
||
|
||
You can specify the position of the background by typing :
|
||
|
||
```css
|
||
background-image: url("GitHub-Mark.png");
|
||
background-repeat: no-repeat;
|
||
background-position : left bottom;
|
||
```
|
||
|
||
It will set you background at the bottom left of the element.
|
||
|
||
### Background Image - Fixed Position
|
||
|
||
If you want to have a background image which will not scroll with the rest of the page, you can use `background-attachement` property:
|
||
|
||
```css
|
||
background-image: url("GitHub-Mark.png");
|
||
background-repeat: no-repeat;
|
||
background-position: left bottom;
|
||
background-attachment: fixed;
|
||
```
|
||
|
||
### Shorthand property
|
||
|
||
You can pass all the properties in one super-property `background` :
|
||
|
||
```css
|
||
background: #F00 url("GitHub-Mark.png") no-repeat fixed left bottom;
|
||
```
|
||
|
||
When you use the shorthand property, you have to respect this order:
|
||
|
||
1. Background color
|
||
2. Background image
|
||
3. Background repeat
|
||
4. Background attachment
|
||
5. Background position
|
||
|
||
It doesn't matter if one property is missing, as long as you respect the order:
|
||
|
||
```css
|
||
background: url("GitHub-Mark.png") no-repeat left bottom;
|
||
```
|
||
|
||
This will work even if the color and the attachment are missing.
|
||
|
||
|
||
#### More Information:
|
||
<!-- Please add any articles you think might be helpful to read before writing the article -->
|
||
<a href='https://developer.mozilla.org/en-US/docs/Web/CSS/background' target='_blank' rel='nofollow'>MDN</a>
|