The Elessi theme includes available Footer templates (Build by the Elementor plugin) and allows the creation of footers of different layouts and colors.
Step 1 - Go to Appearance → Elementor - Header, Footer & Blocks to edit any available footer. Here we get "The Footer Light 2" as an example:
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Step 2 - Navigate to Appearance→Theme Options→Header and Footer
(Select Elementor Builder Mode)