When enabled, the header and menu will be fixed to the top of the page as you scroll down the page.
On product pages, the add to cart button will also be fixed to the top of the page and be positioned directly below the menu as you scroll down the page.
There are 2 types of animation when you check this option. If enabled, every page will show a full page loading icon until the page fully loads. The second animation adds a fade in animation to every section as you scroll down the page.
The Back to top button allows the any visitor to easily scroll back to the top of the page, that will appear as you scroll down th page.