Why ipad and iphone display background-image incorrectly and how to fix it?

Question

css

The rusbroker.pro site does not display the background image correctly in safari and chrome for ipad.
Looks like this: .
In other cases, everything works as it should: .
Please tell me why this is happening and how to fix it. Thanks in advance.

Answer 1

Not sure, but try including normalize.css and reset.css.
Try againbackground-size: 100% 100%; <!--именно 2 раза-->

Answer 2

Because the native screen width on these devices is smaller than the width of your content. Give the general container or body a min-width property