@media (prefers-color-scheme: dark) {
  :root {
    color: #fff;
    background-color: #000;
  }
}

html {
  display: flex;
  justify-content: center;
}

body {
  font-family: system-ui;
  margin: 2em;
  max-width: 60ch;
}

section {
  margin-block: 2em;
}

h1 {
  color: #373fff;
}

h2 {
  color: green;
}

font-select {
  display: block;
  --input-height: 1.3125em;
  height: var(--input-height);
}

.preview {
  padding: 0.25rem;
  border: solid 1px Field;
  margin-block: 1em;
}

code {
  color: red;
  font-family: ui-monospace, monospace;
}

a {
  color: red;
}