[peterska2]

To create a brand new default style:

Go into your Style Manager and click Add New Style. Select no parent style.

This will create a new default style using default colors and templates.

To create a default version of your current style:

Go to Upload/Download styles and download your current style to your computer.

Go to Style Manager > All Style Options

Go through the whole page and click revert on every CSS element (starts just below the header, headinclude, and footer templates)

Click Save

Go to Upload/Download Styles

Import the style file you exported making sure that you set it to a child style of the one you have just edited.

You will now have a default color style with all your template edits intact, and your current style.

This way, while more fiddly, has the advantage of any future style additions can also inherit the template edits that you have already done.