Hold Ctrl and drag with left mouse button! But you can (temporarily) change the hotkeys, too, by the way! In the full version you will save and keep your hotkeys, of course. I'm also thinking about making all key matters customizable. This way you can go for Verve keys or Photoshop, or whatever you like.

The online version was very flawed, actually, which I have already fixed in my dev version. Hopefully that will make it work properly anywhere. However, I have no troubles with Firefox on Win10+ either. Possibly again some weird settings things.

Chrome is still the best, really. Works beautifully smooth.
PS: AH, you've figured it out, sweet!

PPS: Meh, you'll have your wacom keys setup again in no time. Not like it's too many. But, you know, I have totally stopped using those, while I've hardly ever used them in the first place.
