Don't break Access codes into groups of 4 if they aren't a multiple of 4 or if they aren't hexadecimal only (This is useful if a user only uses a nickname as an access code and not a card id)
Changed color of is-current-user on the leaderboard so text is legible in dark mode.
Made Leaderboard useable on mobile as well by removing responsive breakpoints.
KIT!
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