mozilla-b2g/gaia — pull request #24693 by lissyx (2014-10-02 11:06:26+00:00)
Title: Bug 1071235 - Fix touching fullscreen video displaying controls

CSS background-color in ".appWindow.collapsible .screenshot-overlay"
makes the platform breaking tapping on a fullscreen video. Setting
'visiblity: hidden' when we are fullscreen does workaround the issue.