updated footer + footer responsiveness done

[arunsingh009]

What is the change?

I updated the footer which initally was not responsive and I updated a little bit of css here too.

Related issue?

closes: #issue_number29

Checklist:

Before you create this PR, confirm all the requirements listed below by checking the checkboxes [x]:

• [ ] I have followed the Code of Conduct.
• [ ] I have checked there aren't other open Pull Requests for the same update/change.
• [ ] I have you tested the code before submission.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] My changes generates no new warnings.
• [ ] I'm Hacktoberfest'21 contributor.

Screenshots (if any

before

after

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[arunsingh009]

I did few changes again

[Chaitalishetty]

@arunsingh009 Don't make a pr without being assigned.

[arunsingh009]

@arunsingh009 Don't make a pr without being assigned.

sorry actually i was new here and did'nt know much about it again sorry for creating such nuisance