Mobile browser permanently visible in landscape mobile view

Dear all,

I have created a responsive project with multiple breakpoints. All work perfectly, apart from the landscape mobile view. I tested this breakpoint with an iPhone. In portrait mode, the safari browser disappears after a while, as it should. In landscape view, however, it stays stuck on the screen and cannot be swiped away. It takes away precious room from the project.

Any help would be greatly appreciated!

Thank you