Modals always be just appearin'. You might see one once in a while that slides in from one of the edges, or uses some kind of scale/opacity thing to appear from "above" or "below." But we can get weirder than that. Why not have them come in on an
Just a swoopy arc is kinda fun.
Or we could Mary Poppins it and have it come floating in from afar.
Or get straight up wiggly woggly.
That's all. I figured you were here for the CSS tricks, anyway. ;)