about page has no styling (firefox desktop)

[Jefffrey]

https://datafusion.apache.org/blog/about.html

Tested on desktop firefox

Also the about & index links 404 and the blog link also has no styling

[Abhinandankaushik]

Hi @Jefffrey

I would like to work on this issue (#116).
I have reproduced the problem on Firefox Android where the hamburger menu does not respond on tap.

I can investigate the root cause and submit a fix.
Please assign this issue to me if it is still open.

Thanks!