michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: *|*:-moz-full-screen-ancestor {
michael@0:   /* Ancestors of a full-screen element should not induce stacking contexts
michael@0:      that would prevent the full-screen element from being on top. */
michael@0:   z-index: auto;
michael@0:   /* Ancestors of a full-screen element should not be partially transparent,
michael@0:      since that would apply to the full-screen element and make the page visible
michael@0:      behind it. It would also create a pseudo-stacking-context that would let content
michael@0:      draw on top of the full-screen element. */
michael@0:   opacity: 1;
michael@0:   /* Ancestors of a full-screen element should not apply SVG masking, clipping, or
michael@0:      filtering, since that would affect the full-screen element and create a pseudo-
michael@0:      stacking context. */
michael@0:   mask: none;
michael@0:   clip: auto;
michael@0:   filter: none;
michael@0:   -moz-transform: none;
michael@0: }
michael@0: