:root { color: darkslateblue;
	font-family: sans-serif;
}
body {  background-color: lightyellow;
	max-width: 72ch;
	padding: 1rem;
	margin-top: 1rem;
	margin-left: auto;
	margin-right: auto;
}
video { width: 100%;
	max-height: 100%;
}
a {     color: darkred;
}
nav {   display: flex;
	gap: 1rem;
	margin-top: 1rem;
	margin-bottom: 1rem;
}
.responsive-svg {
	width: 9%;
	height: auto;
}