Settings area width adjustment
The left bottom Settings area width should be optimized so the WP Icon and the Cog icon fit in that area.
The scroll bar should be thinner and nice. Which browser and OS are you using?
Shahjahan Jewel, FireFox / Win10 or XP - laptop without external monitor resolution: ~1280 x 576 (but it should be 1280 x 720) at this moment