have to do binding to remove the overlay if it already exists

[choxi]

I'm not sure if this is the best way to do it, but I thought I'd send you a pull request so you could at least take a look.

[getaaron]

@buckwilson should we merge this?

[bmneely]

@choxi looks like you've got a merge conflict :)

[buckwilson]

Woah I've completely forgotten about this project. Honestly by now everyone should be doing this with raw CSS and flex box 😅