/* IE11 */ ie() _:-ms-lang(x)::-ms-backdrop, & {block} /* Edge(EdgeHTML) */ edge() _:-ms-lang(x)::backdrop, & {block} /* Edge(Chromium) */ edgeChromium() _:lang(x)::-ms-, & {block} /* Chrome */ chrome() _:lang(x)::-internal-media-controls-overlay-cast-button, & {block} /* Safari */ safari() _:lang(x)+_:-webkit-full-screen-document, & {block} /* Firefox */ firefox() _:lang(x)::-moz-placeholder, & {block} /* use */ +ie() +edge() +edgeChromium() +chrome() +safari() +firefox()