html {
  box-sizing: border-box;
  color-scheme: dark;
  font-size: 1rem;
  font-family: helvetica, sans-serif;
  line-height: 1.5rem;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body, h1, h2, h3, h4, h5, h6, p, ol, ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.2rem; }

ol, ul {
  list-style: none;
  list-style-type: none;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

blockquote p {
  font-style: italic;
  font-size: 1.4rem;
}

blockquote p::before {
  content: open-quote;
}

blockquote p::after {
  content: close-quote;
}

blockquote footer::before {
  content: '- ';
}

pre {
  font-size: 90%;
  line-height: 1.2em;
  font-family: "Courier 10 Pitch", Courier, monospace;
  white-space: pre-wrap;
  width: auto;
  display: block;
  clear: both;
  color: #eee;
  padding: 1em 1em;
  margin: auto 40px auto 40px;
  background: #555;
  border: solid 1px #777
}