:root {
    color-scheme: light dark;
    font-family: sans-serif;
}
html {
    font-size: 100%;
}
main {
    margin: 0 auto;
    max-width: 65ch;
}
p:has(a.cta) {
    margin-top: 2em;
}
a.cta {
    padding: 1em;
    border: 1px solid LinkText;
}
a.cta:visited {
    border: 1px solid VisitedText;
}
a.cta:active {
    border: 1px solid ActiveText;
}
.v6 {
		color: green;
}
.v4 {
		color: darkred;
}
.sc {
		font-variant-caps: small-caps;
}