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I am using grunt-contrib-cssmin, which is a wrapper over the clean-css plugin.

I have tried every option to disable optimizations done by clean-css, I only want clean-css to minify my css files, but unfortunately its changing them, for example changing: 

background:none;

to:

background:0 0;

How I can disable this optimization? This GitHub link shows these optimizations are done by clean-css.

SW4
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Muhammad Raza
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1 Answers1

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Well, as you tested. No option for clean-css will output the css in the way you want, mostly because the plugin objective is create a more performatic and less verbose css, but not necessarily just stripping whitespaces. Which is more of a development choice than a bug.

As you expect both inputs:background: none or background: transparent will output to the less verbose: 

background:0 0;

Since you seem to only want to concatenate your css, I suggest you cssshrink which has a grunt wrapper called grunt-cssshrink

Rigotti
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