On May 25, 2010, at 5:26 AM, Christopher Schmitt wrote:
>> div {background-color: rgba(255,255,255,0.5);
>>
>> That won't work in IE/Win, I believe, but it will in pretty much
>> anything else of recent vintage. Alternatively, you could create a
>> smallish PNG which is all white and has 50% opacity and drop it into
>> the background of the div. That will work in all current browsers
>> including IE/Win.
>
> Also, you can use IE filter for gradients, which allow for opacity:
>
> div {
> filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#66FFFF00,
> endColorstr=#66FFFF00 ); }
>
> #66FF00 would be the hexadecimal color. Then the last hexadecimal value would
> be the opacity of the color.
With the caveat(s) that:
1. the element must have 'hasLayout' [1] set to true for those filters to work
correctly most of the time
2. those filters affect the display of text / font smoothing, and not exactly
as an improvement, esp on Win XP.
3. those filters may affect how other -descendent- element act, see [2] for
example
(I prefer the semi transparent png file my self, and opaque backgrounds for old
browsers such as IE 6).
[1] http://www.satzansatz.de/cssd/onhavinglayout.html
[2] http://www.satzansatz.de/cssd/tmp/alphatransparency.html
Philippe
---
Philippe Wittenbergh
http://l-c-n.com/
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