Regardless of whether you wish to undo terrible mistakes or remember how something looked in bygone days, it can sometimes be very useful to have access to old versions of your custom CSS files. Fortunately, every time your CSS is updated in the Theme editor, Igloo creates a new version number for your CSS and stores the old one. 

You can always access the base Igloo CSS through the Theme editor, but this contains none of the themes that you started with or any customizations that may have…