To define a grey semi-transparent background on a given element one
could use the following rule:
.semi-transparent {
background: url('images/semi-transparent.png') grey;
background: rgba(50%,50%,50%,0.5);
}
This is supposed to define a double-fallback:
* browsers that do understand rgba() use the second declaration
* browsers that don't, ignore it and use the first one
* browsers that can load the PNG will do so
* otherwise they use a simple grey background
(IE6 is deliberately ignored here.)
My questions are:
Will browsers that understand rgba() still load the PNG?
Any ideas to improve the above rule?
Any advice is welcome.
Jørgen
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