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---
title: device-aspect-ratio
slug: Web/CSS/@media/device-aspect-ratio
page-type: css-media-feature
status:
- deprecated
browser-compat: css.at-rules.media.device-aspect-ratio
---
{{CSSRef}} {{deprecated_header}}
> **Note:** To query for the {{glossary("aspect ratio")}} of the viewport, developers should use the [`aspect-ratio`](/en-US/docs/Web/CSS/@media/aspect-ratio) media feature instead.
The **`device-aspect-ratio`** [CSS](/en-US/docs/Web/CSS) [media feature](/en-US/docs/Web/CSS/@media#media_features) can be used to test the width-to-height {{glossary("aspect ratio")}} of an output device.
## Syntax
The `device-aspect-ratio` feature is specified as a {{cssxref("<ratio>")}}. It is a range feature, meaning that you can also use the prefixed **`min-device-aspect-ratio`** and **`max-device-aspect-ratio`** variants to query minimum and maximum values, respectively.
## Examples
### Using min-device-aspect-ratio
```css
article {
padding: 1rem;
}
@media screen and (min-device-aspect-ratio: 16/9) {
article {
padding: 1rem 5vw;
}
}
```
## Specifications
{{Specifications}}
## Browser compatibility
{{Compat}}