Modal
Shows a popup and fades the background.
$ import { Modal } from 'geist-ui-svelte'; Basic
Use `sm:h-[]` / `sm:w-[]` to customize the height and width of the modal
when the screen width is greater than 640px.
This is a modal notice how it goes to the bottom of the screen on a smaller view.
Click outside the modal or press `Esc`.