Resize window icon typos

Describe the bug
This is a cosmetic bug and does not affect functionality, the icons for resizing to left third and middle third appear to be the same. Also all three "resize to a third" icons seem to be the 2/3 icons size.

Screenshots
58

Device information:

  • Type of Mac: MacBook Pro (15-inch, 2017)
  • macOS version: 10.14.6
  • BetterTouchTool version: 3.207 (1384)