body {
    background: #fdf6e3;
    color: #657b83;
    font: 16px "Helvetica", "Arial", sans-serif;
    margin: 0;
    padding: 1em;
    line-height: 1.6;
  }

  header {
    text-align: center;
    padding: 1rem 0;
  }

  header h1 {
    font-size: 2.5rem;
    color: #586e75;
  }

  nav {
    margin-top: 0.5rem;
  }

  nav a {
    color: #268bd2;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
  }

  nav a:hover {
    background: #93a1a1;
    color: #fdf6e3;
  }

  h2 {
    font-size: 2rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #586e75;
  }

  p {
    margin-top: 1rem;
    margin-bottom: 1rem;
  }

  a {
    color: #268bd2;
    text-decoration: none;
  }

  a:hover {
    color: #2aa198;
  }

  ::selection {
    background: #b58900;
    color: #fdf6e3;
  }

  main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
  }