body {
    height: fit-content;
    margin: 0px;
    margin-top: 0px;
}
#sheet {
	height:100vh;
	width:100vw;
	background-image: url("http://everest.md/everest2.jpg");
	background-size: cover;
	background-repeat: no-repeat;
	}
#text-block {
	text-align: center;
	height:500px;
	width: 500px!important;
	padding: 15% 20% 5% 20%;
	margin-right: auto;
	margin-left: auto;
}
h1 {
	font-size:4em; color:#fff; margin: 70px 0 50px 0;
	}
h2 {
	font-size:2.4em; color:#fff;
	}
h3 {
	font-size:2em; color:#fff;
	}
a, a:hover {
	text-decoration:none;
}
h1, h2, h3, p, a {
	font-family:Arial;
}
@media only screen and (max-width: 600px) {
	a {
		font-size:160%;
}
    h1 {
		font-size: 3em;
	}
#text-block {
	padding: 20% 0%!important;
}
}