Why aren't my base styles updating in the preview?
If you're removing styling from a base style, those styles still apply until you have saved the base style.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Base styles are CSS styles for HTML elements.
No, you cannot layout forms with Acquia Cohesion.
You can style tables or forms through the use of base or custom styles.
There is no known SVG module that can be used with Acquia Cohesion.
Yes, the generated templates can be saved to the database.
The Youtube video embed is responsive so it should expand to the width of its parent. If you do need to set a width you can apply the Width CSS property through the Style Builder.