On 5/24/10 5:44 PM, Philippe Wittenbergh wrote: > > 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
Here's a tool I'm developing that automates the process for all the methods discussed. It's a first draft, but it may be of some help: <http://webwiz.robinshosting.com/temp/easy-see-thru-backgrounds/> Cordially, David -- ______________________________________________________________________ css-discuss [cs...@lists.css-discuss.org] http://www.css-discuss.org/mailman/listinfo/css-d List wiki/FAQ -- http://css-discuss.incutio.com/ List policies -- http://css-discuss.org/policies.html Supported by evolt.org -- http://www.evolt.org/help_support_evolt/