Homescreen photo on mobile scales wrong

Hi there,

I have a problem with the mobile version of my website. When I go to my website on my mobile phone the header photo scales wrong (it’s zoomed in). Does anybody know how to fix this?

I only have this problem when opening my web page on mobile and only at the home page. All the other pages work fine.

I tried to understand when this problem occurs and this is what I found: On an Android phone that uses Firefox the picture is shown correctly. All the other combinations don’t work. (So when an Android phone uses Chrome the photo doesn’t scale right. The problem also occurs when using an iPhone.)

I hope someone has a solution for this problem because I like how the Hestia theme works with the big header photos.

The page I need help with: [log in to see the link]