Fix bug: responsive home page for litmus exp docs

[mehabhalodiya]

Signed-off-by: mehabhalodiya [email protected]

Proposed changes

Earlier, the home page for Litmus Experiment Docs was not responsive for mobile screens.
I have fixed that bug.

Preview:

before.mp4

after.mp4

Resolves:

• Responsive Home Page for Litmus Experiment Docs #3268

Types of changes

What types of changes does your code introduce to Litmus?

• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the commit for DCO to be passed.
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

Dependency

Not any for now!

[mehabhalodiya]

@mallick370 Will you PTAL?
Thank you.