bug: NotificationPopOver is not designed properly

[arkaprota]

Describe the bug

• [ ] NotificationPopOver is not designed properly
• [ ] the icon is changed
• [ ] the heading alignment is not given properly

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Stack Trace The stack trace of the bug if any.

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[techoneel]

I do not think the icon will change it's a clear all icon. @arkaprota please suggest a design first then start changing the code.