Image background transpancy

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Tried to setup an image background like that:

C#

body {
    background-image:url('../../images/background.png');
    background-repeat:no-repeat;
    background-attachment:fixed;
    opacity: .1;
}

But got a warning on opacity: A unknown CSS (V2.1) property.
How to solve this problem? Thanks.

Posted 8-Nov-13 2:35am

Member 10454592

Updated 8-Nov-13 3:17am

v2

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 1 · 2013-11-08T03:20:00

Solution 1

Refer - CSS 2.1 errors: not a known property name[^].

Quote:
Validation errors are all fine, because they are using the proper CSS 2.1 Documentation and your trying to validate CSS3 properties in a CSS 2.1 context.

What you probably want is to build your application by-passing the CSS Errors, no matter what they are, for that you can transform this "errors" into warnings using Visual Studio Options:

in The Visual Studio menu click on:

Tools > Options... and drill down Text Editor > CSS > Miscellaneous

and just make the CSS Errors to be treated as warnings

ScreenShot: http://i.stack.imgur.com/Qhe6J.png[^]

Posted 8-Nov-13 3:20am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Updated 8-Nov-13 3:24am

v5

Comments

[no name] 8-Nov-13 9:49am

Tadit: I also read this article you recommended. It is a warning. I also downloaded ccs.xml, but I could not find

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 8-Nov-13 13:52pm

Okay. But what you downloaded and what that for?

bbirajdar 8-Nov-13 10:14am

opacity is not supported by all browsers. check the browser documentation

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 8-Nov-13 13:57pm

Yeah may be. But this warning comes every time we try to add any CSS 3 property.

Anyway, I don't understand the answer added by OP. Do you understand how he resolved?