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