How to change the background color in Safari when swiping?

Question

css

When you swipe down the page, a gray background appears, how can I change it?

Answer 1

No way.

Answer 2

1) swipe is about a horizontal action 2) secondly, this is the color of the body in aunts 3) if you don’t want to change the color of the body, you can make any background that will be above the page so that when you scroll down it is shown