On Feb 17, 2012, at 4:45 AM, Tim Arnold wrote:

> On Thu, Feb 16, 2012 at 2:38 PM, Angela French <afre...@sbctc.edu> wrote:
> 
>>  It appears that this background color is inheriting the opacity of the
>> div it lives in as the white background-color seems to have no effect. I
>> have even reset the opacity of this <p> by setting it to 100.
>> 
>> 
> Yes, the opacity css property is inherited by anything inside that
> container.

And NO the opacity property is NOT inherited by the descendants of the 
container.

What actually happens is that the box (the container) and all it contains is 
made semi-translucent, similar as when you set the opacity of a layer-group in 
Photoshop to less than 100%.

If all you want is a semi-transparent background on a box, use rgba/hsla colors 
(and a semi transparent .png image background for IE<9).

opacity:
http://www.w3.org/TR/css3-color/#transparency
rgba colors
http://www.w3.org/TR/css3-color/#rgba-color

Philippe
--
Philippe Wittenbergh
http://l-c-n.com/






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