Add a button to close the TIP box

[suvanbanerjee]

What is the URL where the issue is happening

https://roadmap.sh/frontend

What browsers are you seeing the problem on?

Firefox, Chrome, Microsoft Edge

Describe the Bug

The TIP box on the bottom of the screen is informative but i think there should be a way to close or hide it

Output from browser console (if any)

No response

Participation

• [ ] I am willing to submit a pull request for this issue.