A weird shadow on my website design

Design help General
1

Hello,

I have a weird shadow line fixed on my design that I don’t find how to remove.

Can you give me helps pleaaaaase

Capture d’écran 2024-06-19 à 17.37.47
Capture d’écran 2024-06-19 à 17.37.471920×1175 119 KB

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

2

Can you share a read-only link please