:root { color-scheme: light dark; }
body {
  font-family: system-ui, sans-serif;
  max-width: 720px;
  margin: 1em auto;
  padding: 0 0.75em;
  line-height: 1.4;
}
fieldset { margin: 0.75em 0; padding: 0.5em 0.75em 0.75em; }
legend { font-weight: bold; padding: 0 0.25em; }
hr { margin: 1em 0; border: 0; border-top: 1px solid GrayText; }
pre {
  padding: 0.5em;
  border: 1px solid GrayText;
  overflow-x: auto;
  white-space: pre-wrap;
  margin: 0.5em 0;
}
code { font-family: monospace; }
button { font-size: inherit; padding: 0.2em 0.5em; margin: 0.15em 0; }
input[type="text"] {
  font-size: inherit;
  width: 100%;
  max-width: 360px;
  margin-bottom: 0.35em;
}
ul { margin: 0.35em 0; padding-left: 1.5em; }
li { margin-bottom: 0.35em; }
p { margin: 0.35em 0; }