Why is there a grey line on the main page in Dawn Theme?

Store Design
1

Hello, there are on the main page… I can’t solve the problem

2

Hello there @DaniloMile1999 . Im sure I can help you out with that. Inbox me

3

Hi @DaniloMile1999 ,

Please share your store URL and if your store is password protected then please provide password too.
You can take a picture of the place you want to edit.

So that we can help you.