Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
You can only add combinators to child selectors. Add a child selector and combinator will appear in the Style tree.
Base styles are CSS styles for HTML elements.
We recommend using decimals e.g. 1.3 as this makes the line height relate to your font size.
You don’t have to add units unless you want to use a specific unit or you’re adding Custom CSS properties.
Yes, the component link field supports both internal and external URLs.
You can use Elements to create content but we don't recommend doing so for multiple reasons.
You don't. You apply a Descendant selector. These use a (Space).