html {
  max-width: 70ch;
  padding: 3em 1em;
  margin: auto;
  line-height: 1.75;
  font-size: 1.25em;
}

main {
  max-width: 38rem;
  padding: 2rem;
  margin: auto;
}

h1, h2, h3, h4, h5, h6 {
  margin: 3em 0 1em;
}

p, ul, ol {
  margin-bottom: 2em;
  color: #1d1d1d;
  font-family: sans-serif;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1em 0;
}