Good news — from Firefox 87 this is now enabled by default, without the need to set a configuration flag! You can find it in the inspector tab: Choosing the sun button simulates light mode; Choosing the moon button simulates dark mode; With no button selected, your operating system default will be used, as per … Read more
Have you tried adding the viewport in? <meta name=”viewport” content=”width=device-width, initial-scale=1″> Working JSFiddle Viewport is used when rendering responsive pages and is therefore mostly used when dealing with mobile websites, but when dealing with media queries it helps tell the CSS what the actual device-width is.
ANSWER EDITED AGAIN 21.03.2022: In the current version of the spec, using calc (or var) in media queries is NOT supported by the spec (as TylerH pointed out below). Properties sometimes accept complex values, e.g., calculations that involve several other values. Media features* only accept single values: one keyword, one number, etc. * Media features … Read more
not should prefix media type (screen, print, all, etc) and not media feature (hover, point, etc). Wrong: @media not (hover: none) Correct: @media not all and (hover: none) Yes, its unintuitive and weird. Source (see comments). So you do not need javascript to alternate result of media query.
Put it all in one document and use this: /* Smartphones (portrait and landscape) ———– */ @media only screen and (min-device-width : 320px) and (max-device-width : 480px) { /* Styles */ } /* Smartphones (landscape) ———– */ @media only screen and (min-width : 321px) { /* Styles */ } /* Smartphones (portrait) ———– */ @media … Read more
For those simply looking for an answer to “Which browsers support nesting of @media rules?”, the short answer is that all modern browsers, including Firefox, Safari, Chrome (and its derivatives), and Microsoft Edge, now support nesting of @media at-rules as described in CSS Conditional 3. The code in the question with the nested @media at-rules … Read more
In modern browsers there should be no difference between em-based and pixel-based media queries if the browser handles the zoom correctly. I actually had trouble with em-based media queries in one project because in one of the media queries the base font size changed and then all of the other media queries got messed up. … Read more
In Chrome Dev Tools: If you go to Settings>Overrides>Device metrics If you swap the dimensions for the screen resolution the orientation will change and the orientationchange-event will be triggered. The orientation is depending on the relationship between ‘width’ and ‘height’. If ‘height’ has a higher value than ‘width’, the browser will be in orientation: ‘portrait’ … Read more
So you want to change the viewport tag’s width dynamicaly . Here you go : <meta id=”myViewport” name=”viewport” content=”width = 380″> <script> window.onload = function () { var mvp = document.getElementById(‘myViewport’); mvp.setAttribute(‘content’,’width=580′); } </script> See:http://www.quirksmode.org/mobile/tableViewport.html
iPhone 6 Landscape @media only screen and (min-device-width : 375px) // or 213.4375em or 3in or 9cm and (max-device-width : 667px) // or 41.6875em and (width : 667px) // or 41.6875em and (height : 375px) // or 23.4375em and (orientation : landscape) and (color : 8) and (device-aspect-ratio : 375/667) and (aspect-ratio : 667/375) and … Read more