body{font-family: sans-serif;}
h1{text-align: center; color: forestgreen; margin: 30px 0 50px}
.gallery{margin: 10px 50px;}
.gallery img{width: 280px; padding: 5px; filter: grayscale(100%); transition: 0.7s;}
.gallery img:hover{filter: grayscale(0); transform: scale(1.1);}
.video_selector{
	position: fixed;
	right: 0;
	bottom: 0;
	min-width: 100%;
	min-height: 100%;
	width: auto;
	height: auto;
	z-index: -999;
}