Hover on icons.
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<link rel="stylesheet" type="text/css" href="style.css">
	<link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
	<title>Icons</title>
	<style type="text/css">
		*
{
	margin: 0;
	padding: 0;
}
.banner
{
	position: absolute;
	width: 100%;
	height: 100vh;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
}
.banner video
{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.banner i.fa
{
	position: relative;
	width: 100%;
	height: 100%;
	background: #fff;
	font-size: 35vw;
	text-align: center;
	color: #000;
	line-height: 100vh;
	mix-blend-mode: screen;
}
.banner i.fa:hover
{
	color: #fff;
	background: #000;
}
@media (max-width: 768px)
{
	.banner
	{
		flex-direction: column;
	}
	.banner i.fa
	{
		height: 50%;
		line-height: 50vh;
		font-size: 50vw;
	}
}
	</style>
</head>
<body>
	<div class="banner">
		<video autoplay muted loop>
			<source src="bg.mov" type="video/mp4">
		</video>
		<i class="fa fa-facebook-official" aria-hidden="true"></i>
		<i class="fa fa-twitter" aria-hidden="true"></i>
	</div>
</body>
</html> -------------download this video--------->
