Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Base styles are CSS styles for HTML elements.
The 'Range' in the menu list item element sets which list items at the current level the settings should apply to.
You don’t have to add units unless you want to use a specific unit or you’re adding Custom CSS properties.
There is no known SVG module that can be used with Acquia Cohesion.