Limited logo max-width to 100% for HiDPI support

[tsndr]

Added max-width to logo to support larger image file, so that it doesn't look blurry on HiDPI displays

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@34189ff). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #17   +/-   ##
=========================================
  Coverage          ?   89.85%           
=========================================
  Files             ?        2           
  Lines             ?       69           
  Branches          ?        0           
=========================================
  Hits              ?       62           
  Misses            ?        7           
  Partials          ?        0

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