body{
	font-family: system-ui, sans-serif;
	font-size: 100%;
	line-height: 1.3em
	background-color: hsl(80,15%,20%);
	color: white;
	margin: 0;
}

header {
	background-color hsla(80,0%,100%,.5) ;
}
h1 {
	Margin-top: 0;
}

a:link {color: hsl(80,20%,75%);}
a:visited {color: hsl(80,0%,75%);}
a:hover {color: hsl(80,60%,75%);}
a:active {background-color: hsla(80,100%,100%,.5);}