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About your question have 2 solutions 1. You can go to Footer Builders -> Add New then create a blank Footer (no content) with Elementor: https://prnt.sc/BKxeZLs9jPIy
then go to Contact page and edit this page. Scroll to Page Options at bottom of page, click on Footer tab and set Footer you have just created: https://prnt.sc/d_EPb1gwtu1f 2. You can go to Appearance -> Customize -> Additional CSS & add this code: