Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Base styles are CSS styles for HTML elements.
Yes, the component link field supports both internal and external URLs.
Google maps may not be showing if you have not set a Google maps API key.
Yes, this is possible by creating a custom element.
In mobile first, your styles will inherit upwards from the smallest media query, whereas in desktop first they will inherit down from the largest media query.
The breakpoint indicator shows you which breakpoint you're viewing your website at in the bottom left of the browser.
Go to Extend > Uninstall and search for Acquia Cohesion Breakpoint indicator.
Opacity is set using a decimal where 0 is transparent, 0.5 is 50% and 1 is solid.