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Idea for CSS-only responsive images using CSS3 generated content and attr() function. Added media query for high-resolution devices. No browser implementation as of May 2011
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>CSS responsive images</title> | |
| <style> | |
| /* Doesn't stop original source image being | |
| downloaded too */ | |
| @media (min-device-width:600px) { | |
| img[data-src-600px] { | |
| content: attr(data-src-600px, url); | |
| } | |
| } | |
| @media (min-device-width:600px and -webkit-min-device-pixel-ratio:2,-moz-min-device-pixel-ratio:2,-o-min-device-pixel-ratio: 2/1,min-device-pixel-ratio:2) { | |
| img[data-src-600px-2x] { | |
| content: attr(data-src-600px-2x, url); | |
| } | |
| } | |
| @media (min-device-width:800px) { | |
| img[data-src-800px] { | |
| content: attr(data-src-800px, url); | |
| } | |
| } | |
| @media (min-device-width:800px and -webkit-min-device-pixel-ratio:2,-moz-min-device-pixel-ratio:2,-o-min-device-pixel-ratio: 2/1,min-device-pixel-ratio:2) { | |
| img[data-src-800px-2x] { | |
| content: attr(data-src-800px-2x, url); | |
| } | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <img src="image.jpg" | |
| data-src-600px="image-600px.jpg" | |
| data-src-600px-2x="image-600px-2x.jpg" | |
| data-src-800px="image-800px.jpg" | |
| data-src-800px-2x="image-800px-2x.jpg" | |
| alt=""> | |
| </body> | |
| </html> |
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