Strange word spacing and justification when viewing pages on mobile devices

[jdaviescoates]

Describe the bug
Regardless of whether or not I create a page using the visual editor or the markdown editor, when I view pages on my mobile device (an Andriod 8 mobile) the word spacing and justification is randomly all weird.

To Reproduce
Steps to reproduce the behavior:

1. Create a new page
2. Browse to that page using Firefox or Chrome on my mobile
3. Note strange word spacing and justification

Expected behavior
I expect no strange word spacing.

Screenshots

Host Info (please complete the following information):

• OS: Ubuntu 18.04, Cloudron
• Wiki.js 2.1.113:
• Database engine: not sure