Media Queries is a module of CSS that defines expressions allowing developers to tailor presentation to a specific range of output devices without changing the content itself.
Reference
At-rules
Guides
 - Using media queries
- Presents what media queries are doing and explains the possible expressions.
- Testing media queries
- Explains how to test a media query programmatically, from JavaScript.
Specifications
Browser compatibility
 
  
   | Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
  
   | Basic support | 1.0 | (Yes) | 1.0 (1.7 or earlier) | 9.0 | 9.2 | 1.3 | 
 
 
 
  
   | Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | 
  
   | Basic support | 1.0 | (Yes) | 1.0 (1.7) | 9.0 | 9.0 | 3.1 | 
 
 
              
                
                
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