The text of physics layer collision matrix overlaps on the window navigation slider, when unified player settings window is shrinked diagonally. Refer the video attached.

Steps to reproduce:
1) Create new project
2) Edit > Settings > Physics
3) Shrink the window diagonally

Note:
Refer the video attached

Actual result:
The text of layer collision matrix overlaps on the slider.+

Occurring with:
2018.3.0a6 (13fac50c9eea) , 2018.3.0a5, 2018.3.0a4

Environment:
Windows and Mac