Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
No, there are some known issues when using Acquia Cohesion with AMP, which we are working to resolve.
No. Helpers are coupled with the page once placed. Changes to the Helper layout will not affect existing instances.
The style preview may not be updated because the refresh icon hasn't been toggled to the active state.
Opacity is set using a decimal where 0 is transparent, 0.5 is 50% and 1 is solid.
Not yet. The Style builder does not have the option to add an animation name or key frames. This is planned functionality on our road map.