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# Autoprefixer [![Cult Of Martians][cult-img]][cult]
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<img align="right" width="94" height="71"
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src="https://postcss.github.io/autoprefixer/logo.svg"
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title="Autoprefixer logo by Anton Lovchikov">
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[PostCSS] plugin to parse CSS and add vendor prefixes to CSS rules using values
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from [Can I Use]. It is recommended by Google and used in Twitter and Alibaba.
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Write your CSS rules without vendor prefixes (in fact, forget about them
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entirely):
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```css
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::placeholder {
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color: gray;
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}
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.image {
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background-image: url(image@1x.png);
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}
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@media (min-resolution: 2dppx) {
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.image {
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background-image: url(image@2x.png);
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}
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}
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```
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Autoprefixer will use the data based on current browser popularity and property
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support to apply prefixes for you. You can try the [interactive demo]
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of Autoprefixer.
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```css
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::-moz-placeholder {
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color: gray;
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}
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::placeholder {
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color: gray;
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}
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.image {
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background-image: url(image@1x.png);
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}
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@media (-webkit-min-device-pixel-ratio: 2),
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(min-resolution: 2dppx) {
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.image {
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background-image: url(image@2x.png);
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}
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}
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```
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Twitter account for news and releases: [@autoprefixer].
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<a href="https://evilmartians.com/?utm_source=autoprefixer">
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<img src="https://evilmartians.com/badges/sponsored-by-evil-martians.svg" alt="Sponsored by Evil Martians" width="236" height="54">
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</a>
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[interactive demo]: https://autoprefixer.github.io/
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[@autoprefixer]: https://twitter.com/autoprefixer
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[Can I Use]: https://caniuse.com/
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[cult-img]: https://cultofmartians.com/assets/badges/badge.svg
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[PostCSS]: https://github.com/postcss/postcss
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[cult]: https://cultofmartians.com/tasks/autoprefixer-grid.html
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## Docs
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Read full docs **[here](https://github.com/postcss/autoprefixer#readme)**.
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