2. You can get to the page setting in 2 ways:
After publishing your video page - click on Defaults on the top right.
On the main screen - click on setting on the bottom right, choose pages and then click on Defaults.
3. On the defaults you can:
Add your logo.
Choose a call-to-action button and it's color by adding your business information.
Change the headline & text color.
Insert your business information.
Insert your social media links.
4. Click on Save to apply the changes.