🐞 UI/UX Improvement Suggestion: Navbar and Background Color Enhancement

The current Pong Game interface works well functionally, but the background color and navbar styling can be enhanced to improve the overall visual appeal and user experience.

Also i can make this
1. Navbar Styling
• Add a semi-transparent glassmorphism effect.
• Include proper spacing and padding between difficulty, score, and control instructions.
• Consider using a slightly darker shade to make it more prominent.
2. Background Color
• Use a subtle gradient instead of a plain white to reduce strain and add modern design feel.
• Example Gradient: