fix: removing duplicate in employeeDatabase

[MSAKWA-officer]

🛠️ Fixes Issue (Number)

Closes #issue_number

👨‍💻 Changes proposed

The following updates were made to the employeeDatabase file:

• Removed duplicated CSS rules that were repeated across the file
• Consolidated identical selectors into single definitions
• Cleaned redundant declarations to avoid conflicts
• Improved readability and maintainability without changing existing behavior

✅ Check List (Check all the applicable boxes)

• You have linked this PR to the correct issue (if applicable).
• My code doesn't break any part of the project (Zero Octave-Javascript-Projects).
• This PR does not contain plagiarized content.
• My Addition/Changes work properly and match the overall repo pattern.
• The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

This PR focuses purely on refactoring and removing duplicate code.
No new features were introduced, and existing functionality remains unchanged.

📷 Screenshots