[BUG] Dropdown menu not visible in dark mode

[Rajitha-20050412]

Description:
When switching to dark mode, the dropdown menu items are not visible. This makes navigation difficult for users.

Steps to Reproduce:
Go to the homepage.
Switch to dark mode.
Open the dropdown menu.

Expected Behavior:
Dropdown items should be clearly visible in dark mode with proper contrast.

Environment:
Browser: Chrome Version xx
OS: Windows 11

[github-actions]

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[Rajitha-20050412]

Hi, I’m a GSSoC’25 contributor and would love to work on this issue. I’ve already set up the project locally and I’m ready to start working. Could you please assign this issue to me?