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CSS Media Features - Resolution
CSS resolution media feature check how many pixels are displayed per inch on a screen.
This feature allows you to specify a range of screen resolutions. You can use min-resolution to match devices with a resolution greater than or equal to a certain value, and max-resolution to match devices with a resolution less than or equal to a certain value.
Resolution takes a number with either a dpi (dots per inch), dpcm (dots per centimeter) or dppx (dots per pixel). In CSS, a pixel is always 96dpi, so 1dppx is a regular screen resolution, and 2dppx is 'retina'.
Possible Values
<integer> − A positive integer value, representing the number of dpi of the output device.
Syntax
resolution: <integer>
CSS resolution - <interge> Value
The following example demonstrates how to use the CSS resolution media feature to change the background color of a div element to red when the output device has a resolution of 96dpi −
<html> <head> <style> @media (resolution: 96dpi) { div { background-color: red; } } </style> </head> <body> <div>CSS Media feature resolution.</div> </body> </html> CSS resolution - min-resolution Property
The following example demonstrates that min-resolution media feature, changes the background color of a div element to red when the output device has a resolution of 80dpi or higher −
<html> <head> <style> @media (min-resolution: 80dpi) { div { background-color: red; } } </style> </head> <body> <div>CSS Media feature min-resolution.</div> </body> </html> CSS resolution - max-resolution Property
The following example demonstrates that max-resolution media feature changes the background color of a div element to pink when the output device has a resolution of 300dpi or less −
<html> <head> <style> @media (max-resolution: 300dpi) { div { background-color: pink; } } </style> </head> <body> <div>CSS Media feature max-resolution.</div> </body> </html>