Adjust to Mobile Phone by koheishingai

Hi, gmkeever.

I have fixed "help.nitrous.io" in order to display correctly in mobile phone.

The following slides summarizes the changes.
https://docs.google.com/presentation/d/1Q458DcSaePurDadTCANfInIdIiiWlmcFeeia3NjeQ_M/edit?usp=sharing

Regards.