upcoming paper header not seen in mobile screen sizes

[abhitrueprogrammer]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://papers.codechefvit.com/
2. change to mobile view
3. See how header is not visible

Expected behavior
Upcoming header should be visible
Screenshots

[SOMASEKAR17]

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