#la-player-line {
	position: absolute;
	width: 100%;
	height: 2px;
	background: rgba(128, 128, 128, .5);
	bottom: 0;
	z-index: 99;
	opacity: 1;
	transition: opacity .25s ease-in-out;
}
#la-player-line div {
	position: absolute;
	width: 59%;
	height: 100%;
	background: red;
	transition: width .1s ease-in-out;
}
#movie_player:not(.ytp-autohide) #la-player-line {
	opacity: 0;
}