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- primary color of a background
- primary color of the text
- the basic type of a font (Arial, Times etc.)
Having set these parameters user can press button "Apply" - thus it will be automatically changed style.css and other files which are necessary for changing for conformity of a theme to new parametres. How this can be developed. In case the theme supports such automated change, theme's files should contain the information on that what parameters a theme accepts also what files should change automatically. I suggest to make in such themes the "parameters" folder, where to place
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