Fix Mobile/Tablet HTML Menu

I need an experienced web developer to fix my HTML navigation menu for mobile and tablet views. Currently, the menu formatting is incorrect, and the menu overlaps with other elements. This issue occurs on both mobile and tablet devices.

Requirements:
- Correct the overlapping issue
- Ensure proper formatting for mobile and tablet
- Test on various devices and screen sizes

Ideal Skills and Experience:
- Strong knowledge of HTML, CSS, and responsive design
- Experience with mobile and tablet navigation menus
- Attention to detail and problem-solving skills