在本地主机上工作的粘性导航，但在我上传时（在webkit浏览器中）不能

I have created a sticky nav which stays fixed to the top of the page when the user scrolls. It should then return to its normal position if the user scrolls back up. I have this working perfectly on my localhost, but when I upload it online, the sticky nav just keeps jumping straight to the top as soon as you even scroll a little bit of the page, and it never returns to its normal position.I have created a sticky nav which stays fixed t