Footer not showing up

Design help General
1

Hi, I tried several times but I don’t understand why my footer is not showing up. It might be that set the div to 100vh to add the gradient background. I am not sure how to fix it, please help me out.

https://preview.webflow.com/preview/yumeifeng?utm_medium=preview_link&utm_source=designer&utm_content=yumeifeng&preview=cb4fb0d0dd38a26ea6432c17f6f85a07&workflow=preview

Here is my site Read-Only: LINK
(how to share your site Read-Only link)