Hi,
Please follow the following steps to make the top bar appear
1.Go to Dashboard >> Appearance >> Customize >> Header >>Top Bar
Enable the Top Bar and turn it on
Click on Save Changes
2. To change the color of the whole website please follow the following steps:
Customizer >> VW Settings >> Typography settings
Change the global color.
If you need any other assistance please let us know, we are here to help you out.
Thank you.