Created
March 29, 2012 06:44
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rgba() for all browsers
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| /* all modern browsers, including IE9 */ | |
| .box { | |
| background-color: rgba(0,0,0,0.5); | |
| } | |
| /* for oldIE ( ≤ IE 8 ) - should be in a special CSS-file */ | |
| .box { | |
| filter:progid:DXImageTransform.Microsoft.gradient(startColorStr=#7f000000,endColorStr=#7f000000); | |
| /* if you want to, add this especially for IE8 */ | |
| -ms-filter:"progid:DXImageTransform.Microsoft.gradient(startColorStr=#7f000000,endColorStr=#7f000000)"; | |
| /* sometimes you must trigger hasLayout for the color to be seen */ | |
| zoom: 1; | |
| } |
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Conversion of alpha to hex is easy with this tool: http://beijingyoung.com/articles/rgba-argb-converter/
It provides example-code, too.