I generally don't like how little avatar pictures there are. There is only one for dwarf and half orc (both male), no male elves, and nothing for dragonborn or tieflings (or gnomes, but I don't use gnomes) If you could please add more avatar pictures, that would be amazing. You could also allow people to make their own avatars. I recommend you do both.

Another problem is the weird way backgrounds are presented, being in the class category. Others might not have a problem, but I have OCD about that stuff, and would appreciate if you were to make a category for backgrounds separate from classes.

Those are just some ideas. I hope you take them into consideration.