HTML and CSS Reference
ment measurements for when the person exits fullscreen mode. You can get a feel for the
trols, covered in Chapter and in the appendix. It is not a complicated process, but the amount
of code necessary does make it a tedious process.
Other than a volume control and support for fullscreen access, our custom control has most
of the functionality of the built-in control, but with the added benefit being able to customize
both the appearance and behavior of the control.