Step 1: Appearance >> Customize >> Footer
Step 2: Select the section you want to edit.
Select General to edit background color and padding.
Select Content to customize your Footer.
Select Copyright to edit Copyright settings.
Note: If you have imported the demo, you will not be able to see the changes you made because the page already had a fixed footer style. Please choose a random page for example: Blog page to test it.
Step 3: Click Publish to save the change.
Note: The Footer Style in specific Page Settings take priority over the Default Footer.