Is it possible to change the colors of the interface elements of the Opera?

Not just the theme (background picture in the Express panel) and the interface elements; frame, toolbar, tabs, background.
For Chrome there are plugins and services such as this and Opera that do not.
In General it causes confusion! How so?! - in the main program of computer - web browser and didn't realize the color scheme of the skin? Even in MTS connect Manager it is! in the archives, not to mention MP3 players....
Is it really so difficult and resource-intensive - tekstik for 500 bytes with a dozen groups of HTML codes of colors....
June 14th 19 at 20:46

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