We explored having different color scheme to denote the node distance between two cards. Unfortunately, it got too messy, and neither of us are designers, so w

We explored having different color scheme to denote the node distance between two cards. Unfortunately, it got too messy, and neither of us are designers, so we had to shelve it for now. As for scrolling, and want the mouse scrolling to work just like keyboard (selects the card at center, reorders other columns appropriately). Haven't gotten around to it yet. Thanks for your feedback!