html,
body {
  padding: 0;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
}

body {
  padding: 1rem;
  max-width: 20rem;
}

h1 {
  margin-top: 0;
  font-size: 1.5rem;
  font-weight: 500;
}

p {
  font-size: 1rem;
}

a {
  text-decoration: none;
  display: inline-block;
  padding: 0.2rem 0;
  min-width: 44px;
}

@media screen and (max-width: 600px) {
  a {
    padding: 0.85rem 0;
  }
}

* {
  box-sizing: border-box;
}

ul {
  padding: 0;
}

li {
  padding: 0;
  list-style: none;
}