How to use custom css on web pages on the jolla browser?

Design
2

You can write userstyles.

Create a directory ‘chrome’ in the profile directory:
/home/nemo/.mozilla/mozembed/chrome

Userstyles should go in a file called userContent.css (case-sensitive!).

You can include css that applies to all sites, e.g.

* color : black !important ;

or applicable to specific sites e.g.

@-moz-document url(http://example.org/){
     body background-color : white !important ;
}

I don’t know about about ‘ambience colors…’ but essentially you can override the document’s own styles - though it can be tricky on dynamically-generated sites, like twitter.

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