What are color tags used for?
Color tags allow you to create groupings of colors based off of the color tags that you define in the website settings color palette.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
The 'Range' in the menu list item element sets which list items at the current level the settings should apply to.
Yes, this is possible by creating a custom element.
Opacity is set using a decimal where 0 is transparent, 0.5 is 50% and 1 is solid.