html { 
  background: url(images/neo2010.png) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}
body {margin:0;
  display:flex;
  min-height:100vh;
  flex-direction:column;
}
header {
	background-color:rgba(255,255,255,95);
	background-color:black;

	border-bottom: 1px solid rgba(255,255,255,.5);
}
	header h1 {
		color:white;
		margin-left:1em;
	}
main {
	margin-top:1em;
	flex:1;

}

footer {
	bottom:0;
	color:white;

}
footer a {
	color:green;
}