Changing the size of header

[Neha00011]

Fixes #117

I changed the size of header portion. I have opened a pull request regarding the same. Please merge my pr and consider it as a contribution towards SWOC.

Checklist:

• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ x] I have read the CONTRIBUTING document

SWOC Participation

• Name: Neha Panda
• Discord Username: Neha00001#2570
• [x ] I have included the issue number in my PR