Grayed Out | Can't Click important things

When I am editing my skins and I want to click Wear, Tag, Pose, and Background and all gray. So are + - And Equal. They are important and I am not able to click on them. I have two screenshots
Wear, Tag, Pose, and Background Screenshots:
And here is the + - And Equal Screenshots
Any ideas on how to fix this?

I have same problem i dont know why i need
or people to reply

So, this problem happens when your screen width is smaller than 1100px. I’m going to fix this.

For an immediate fix, try to change the window size, or zoom out, maybe the screen area is too small.