Menu showing up when scrolling up

[ZestardTech]

Hello @tinee ,

Here are the steps to apply the necessary changes in your Shopify store:

1. In your Shopify Admin, navigate to Online Store > Themes > Actions > Edit Code.
2. Locate Asset > base.css and paste the following code at the bottom of the file:

ul#HeaderMenu-MenuList-2 {
    z-index: 111 !important;
}

Let me know if you need further assistance!