device-width CSS media feature
Deprecated
Avoid using this feature in new projects. Device media queries do not reflect available layout, only the physical size of the device. This feature may be a candidate for removal from web standards or browsers.
Consider using the following features instead: Media queries.
Note:
To query for the width of the viewport, developers should use the width media feature instead.
The device-width CSS media feature can be used to test the width of an output device's rendering surface.
Syntax
The device-width feature is specified as a <length> value. It is a range feature, meaning that you can also use the prefixed min-device-width and max-device-width variants to query minimum and maximum values, respectively.
Examples
Applying a special stylesheet for devices that are narrower than 800 pixels
html
<link
rel="stylesheet"
media="screen and (max-device-width: 799px)"
href="https://cdn.example.com/narrow-styles.css" />
Specifications
| Specification |
|---|
| Media Queries Level 4 # device-width |