html {
background-color: black;
font-size: min(max(100%, 2vw), 150%);
margin: auto;
}
body { margin: 0 }
a {
color: white;
text-decoration: none;
}
footer {
color: white;
margin: auto;
padding: 1ex;
text-align: center;
}
footer a { text-decoration: underline }