Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
No. Component content entities do not have view modes.
Yes. As long as you are using the Cohesion text format you will see two new menus ‘Element styles’ and ‘Inline styles’. Use these to apply custom styles.
The WYSIWYG (ckeditor) adds a paragraph tag around the text within the block quote. This causes it to inherit the text size of your paragraph base style.
Custom styles are CSS styles for classes.