Can't see the play bar, or the bottom of a resource is cut off?

Your browser might be zoomed in: sometimes this can cause the bottom of a resource to be cut off, so that you can't see the bar with the Play button and other controls, for example, like this:

To reset your browser's zoom level, press Ctrl & 0 (zero) together. The contents of the modal should 'shrink', so you can see all of it, like this:

This article has more info about resetting the zoom in different browsers.