:-webkit-full-screen {
  /* properties */
	 #fullscreen > :first-child > a {
		background-color: #e8e8e8;
		background-image: -moz-linear-gradient(top,  #5A5A5A 0%, #686868 100%);
		background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#5A5A5A), color-stop(100%,#686868));
		background-image: -webkit-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -o-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -ms-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#5A5A5A', endColorstr='#686868',GradientType=0 );
		-webkit-box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		color: @white;
		border-color:#494949;
	 }
}

:-moz-full-screen {
  /* properties */
	 #fullscreen > :first-child > a {
		background-color: #e8e8e8;
		background-image: -moz-linear-gradient(top,  #5A5A5A 0%, #686868 100%);
		background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#5A5A5A), color-stop(100%,#686868));
		background-image: -webkit-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -o-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -ms-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#5A5A5A', endColorstr='#686868',GradientType=0 );
		-webkit-box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		color: @white;
		border-color:#494949;
	 }
}

:-ms-fullscreen {
  /* properties */
	 #fullscreen > :first-child > a {
		background-color: #e8e8e8;
		background-image: -moz-linear-gradient(top,  #5A5A5A 0%, #686868 100%);
		background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#5A5A5A), color-stop(100%,#686868));
		background-image: -webkit-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -o-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -ms-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#5A5A5A', endColorstr='#686868',GradientType=0 );
		-webkit-box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		color: @white;
		border-color:#494949;
	 }
}

:full-screen { /*pre-spec */
  /* properties */
	 #fullscreen > :first-child > a {
		background-color: #e8e8e8;
		background-image: -moz-linear-gradient(top,  #5A5A5A 0%, #686868 100%);
		background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#5A5A5A), color-stop(100%,#686868));
		background-image: -webkit-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -o-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -ms-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#5A5A5A', endColorstr='#686868',GradientType=0 );
		-webkit-box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		color: @white;
		border-color:#494949;
	 }
}

:fullscreen { /* spec */
  /* properties */
	 #fullscreen > :first-child > a {
		background-color: #e8e8e8;
		background-image: -moz-linear-gradient(top,  #5A5A5A 0%, #686868 100%);
		background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#5A5A5A), color-stop(100%,#686868));
		background-image: -webkit-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -o-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: -ms-linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		background-image: linear-gradient(to bottom, #5A5A5A 0%,#686868 100%);
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#5A5A5A', endColorstr='#686868',GradientType=0 );
		-webkit-box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		box-shadow: inset 0px 0px 3px 1px rgba(red(@black), green(@black), blue(@black), .15);
		color: @white;
		border-color:#494949;
	 }
}

/* deeper elements */
:-webkit-full-screen video {
  width: 100%;
  height: 100%;
}

/* styling the backdrop*/
::backdrop {
  /* properties */
}
::-ms-backdrop {
  /* properties */
}