body {
  margin: 40px auto 40px 40px;
  max-width: 700px;
  line-height: 1.6;
  font-family: Verdana, sans-serif;
}

@media (max-width: 780px) {
  body {
    margin: 40px 10px;
  }
}

pre {
  padding: 0.5em;
  border: 1px solid #444;
  background-color: #ddd;
  overflow: auto;
  max-width: 650px;
}

img.feedsvg {
  height: 0.8em;
  width: 0.8em;
  padding-right: 0.3em;
}

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

  a:any-link {
    color: #bbf;
  }

  pre {
    background-color: #222;
    border-color: #bbb;
  }
}