Decreases font-size on login page
What does this MR do?
Decreases font-size on login page
Are there points in the code the reviewer needs to double check?
see if it matches with the example in the chat 
Why was this MR needed?
because of change to system fonts
requested here: https://gitlab.slack.com/archives/interaction/p1483561146000547
Screenshots (if relevant)
before:
result:
Does this MR meet the acceptance criteria?
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Changelog entry added -
Documentation created/updated -
API support added - Tests
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Added for this feature/bug -
All builds are passing
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Conform by the merge request performance guides -
Conform by the style guides -
Branch has no merge conflicts with master(if it does - rebase it please) -
Squashed related commits together