html {
  background: #fff;
  color: #222;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.55;
}

body {
  margin: 0;
}

main {
  max-width: 640px;
  margin: 76px auto;
  padding: 0 24px;
}

p {
  margin: 0 0 24px;
}

ul {
  margin: -10px 0 26px;
  padding-left: 36px;
}

li {
  margin: 4px 0;
}

a {
  color: inherit;
}

@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  main {
    margin: 42px auto;
    padding: 0 22px;
  }
}