Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
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.
No, the entity browser does not work for component defaults as the entities are content, not config.
Google maps may not be showing if you have not set a Google maps API key.