Issue Template

Description

This issue is related to theme change button. After clicking on toggle button , It updates only header theme not of full page. And after changing the page , it remains the same as previous.

Steps to Reproduce

Please provide step-by-step instructions on how to reproduce the issue:

1. Go to 'Home page'
2. Click on 'toggle button'
3. Click on any header link except current header
4. See error

Expected Behavior

• When the theme toggle button is clicked, the theme (e.g., light/dark mode) should update across the entire page, not just the header.
• The theme change should persist across page reloads.

Actual Behavior

• Clicking the theme toggle button only updates the theme of the header.
• The rest of the page remains in the previous theme.
• After refreshing the page, the theme reverts to the previous state and does not reflect the change made by the toggle button.

Screenshots