Theme Body settings can be used to add the website background image. The settings are located in WP Admin -> Gecko -> Gecko Customizer -> Theme, Body section.

Available options are:

• Fixed background position
• Body background image size – image size can be Auto, Cover or set to Contain
• Body background image repeat – background image can be set to Do not repeat, Repeat, Repeat vertically, Repeat horizontally 

A custom CSS Body class can be assigned per different Theme Preset.

Show/ hide scroll to top button. The settings are located in WP Admin -> Gecko -> Gecko Customizer -> Theme , General section.