Create Campaign Page Reponsiveness

[richab246]

Description

This pull request makes the "Create Campaign" page responsive and adds the specified functionality.

Related Issue

None

Screenshots / GIFs (if applicable)

Checklist:

• ✅ I have performed a self-review of my code
• ✅ I have added/updated relevant documentation (if needed)
• ✅ I have tested the changes locally and they function as expected
• ✅ I have ensured my code follows the project's coding standards

Additional Notes

These changes include adjustments to the CSS to ensure the "Create Campaign" page is fully responsive across different devices. Additionally, the new functionality as discussed has been implemented and tested.

[rishicds]

good job @richab246

[richab246]

Is there any other issue I can work on? @codewarnab @rishicds

[rishicds]

If you want to improve/add something you can raise an issue on that and we will assign you @richab246