Why aren't my base styles updating in the preview?
If you're removing styling from a base style, those styles still apply until you have saved the base style.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Base styles are CSS styles for HTML elements.
Color tags allow you to create groupings of colors based off of the color tags that you define in the website settings color palette.
Yes, the generated templates can be saved to the database.
Yes, this is possible by creating a custom element.