Please try resolving it by using the solutions shared in the following topic.
https://colorlibsupport.com/t/internet-explorer-doesnt-work-properly/
https://colorlibsupport.com/t/responsive-settings-not-working/
https://colorlibsupport.com/t/mobile-menu-logo-stretch-no-menu/
https://colorlibsupport.com/t/logo-only-mobile-responsive-on-homepage/