I’m using the Mag and News Theme 1.0.2 with WordPress 5.5.1. My header image is 1990 × 450 pixels. It displays correctly on a smartphone but only about 1/4 of the height displays on a PC and about 1/2 of the image height on a tablet. My site is QuietNoLonger.com.
Thanks for your help. I’m impressed by your them and intend to buy the Pro version!