body {
  font-family: sans-serif;
}

a {
  text-decoration: none;
}

label {
  display: block;
}

nav a {
  display: inline-block;
  margin: 1em;
}

form div {
  margin: 1em;
  display: inline-block;
}

body {
  margin: 40px auto;
  max-width: 650px;
  line-height: 1.6;
  font-size: 18px;
  color: #444;
  padding: 0 10px;
}

hr {
  margin: 30px;
}