Type a character from your keyboard into the input field, then press on the key you typed in combination with the appropriate platform-specific modifier keys.
Test passes if the background of the large box turns green.
Set the accesskey value to:
accesskey
attribute, which is set to the value you type into the input. You can then try to activate the box by pressing the same key with the modifier keys required to activate the shortcut. If you are successful, the large box will turn green.