38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
---
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title: Background Size
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---
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## Background Size
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The background-size property specifies the size of the background images. You can set a length or a percentage, with the first value being the width and the second one being the height. You can also use one of the 5 keyword values:
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```css
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/* Background size property values that can be used */
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.auto {background-size: auto;}
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.cover {background-size: cover;}
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.contain {background-size: contain;}
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.initial {background-size: initial;}
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.inherit {background-size: inherit;}
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/* Percentage, pixel, and viewport units can also be used */
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.pixel {background-size: 50px 50px;}
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.percentage {background-size: 50% 50%;}
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.view {background-size: 50vw 50vh;}
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```
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Note: If using pixel or percentage for length and you only specify one value,
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the second one will be set to auto by default.
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To set this property on multiple background images, separate the values by a comma:
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```css
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.multiple {
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background-image: url(1.png), url(2.png);
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background-size: 3px 3px, cover;
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}
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```
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#### More Information:
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Documentation: <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/background-size' target='_blank' rel='nofollow'>MDN</a>
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CSS-Tricks: <a href='https://css-tricks.com/almanac/properties/b/background-size/' target='_blank' rel='nofollow'>background-size</a>
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Browser Support: <a href='http://caniuse.com/#search=background-size' target='_blank' rel='nofollow'>caniuse</a>
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