oxaliq.net/static/styles.css

:root {
  color-scheme: light dark;
}

@media screen and not (prefers-color-scheme: light) {
  html  {
    --foreground-color: lab(90 50 -80);
    --background-color: lab(0 50 -30);
    --link-color: lab(80 40 100);
    --visited-link-color: lab(70 10 15);
    --banner-ascii-color: lab(90 -40 20 / 0.8);
  }
}

@media screen and (prefers-color-scheme: light) {
  html {
    --foreground-color: lab(10 50 -80);
    --background-color: lab(90 50 -30);
    --link-color: lab(20 40 100);
    --visited-link-color: lab(20 10 15);
    --banner-ascii-color: lab(10 -40 20 / 0.8);
  }
}

html {
  padding: 20px;
  color: var(--foreground-color);
  background-color: var(--background-color);
}

h1, h2, h3, h4, h5 {   
  font-family: 'Courier New', Courier, monospace;
  color: var(--background-color);
  background-color: var(--visited-link-color);
  padding: 2 10;
}

h5 {
  margin: 2 0;
}

span.noscript p {
  font-family: 'Courier New', Courier, monospace;
  font-size: small;
}

span.hx-target section {
  border: solid 1px var(--link-color);
  border-radius: 4px;
  padding: 0 10;
  margin: 3;
}

a {
  font-family: 'Courier New', Courier, monospace;
  font-size: small;
  color: var(--link-color);
}

a:visited {
  color: var(--visited-link-color);
  text-decoration-color: var(--link-color);
}

body {
  max-width: 600;
  margin: auto;
  font-size: medium;
  font-family: sans-serif;
}

header{
  display: flex;
  flex-direction: column;
}

@media screen and (max-width: 600px) {
  div.banner p.ascii {
    font-size: 5px;
  }
  body {
    max-width: 375px;
  }
}

@media screen and (min-width: 1000px) {
  div.banner {
    padding: 0 auto;
  } 
  body {
    max-width: 800px;
  } 
}

div.banner {
  background-color: lab(0 5 1 / 0.8);
  width: max-content;
  margin: auto;
}

div.banner p.ascii {
  color: var(--banner-ascii-color);
}

nav {
  display: flex;
  flex-direction: row;
  padding: 5px;
}

nav a {
  padding: 5px;
}

p {
  margin: 12 0;
}

ul.tag-list {
  display: flex;
  flex-direction: row;
  margin: 6 0;
  padding: 0;
}

li.tag-item {
  list-style-type: none;
  flex-basis: fit-content;
  margin: 0 6;
}