body {
  margin: auto;
  font:
    1rem/2 -apple-system,
    sans-serif;
  background-color: #f8f8f8;
  color: #333333;
  padding: 20px;
  min-height: 100vh;
  padding: 50px, 50px, 50px, 50px;
  max-width: 55rem;
}
p {
  margin: 0 0 1em;
}
a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid #007f9f;
}
ul {
  display: inline-block;
  text-align: left;
  padding-left: 1em;
}