:root {
  --black: #181818;
  --white: #ccc;
  --gray: #8C8C8C;
  --gray2: #2A2A2A;
  --dark-gray: #1f1f1f;
  --orange: #CE9178;
  --dark-orange: #E17833;
  --light-blue: #9CDCFE;
  --blue: #169FFF;
  --dark-blue: #569CD6;
  --light-yellow: #DCDCAA;
  --yellow: #FFD602;
  --dark-yellow: #CBCB41;
  --green: #4DC9B0;
  --dark-green: #6A9956;
  --pink: #C586C0;
  --red: #F44748;
}

body {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1rem;
  font-family: Georgia, serif;
  font-size: 18px;
  color: var(--white);
  line-height: 1.6em;
  background-color: var(--black);
  height: 100%;
}

body > * + * {
  margin-top: 2rem;
}

h1, h2, h3, h4 {
  font-family: sans-serif;
}

h2 + *, h3 + * {
  margin-top: .75rem;
}

h1 {
  font-weight: 800;
}

h1 a {
  color: var(--light-blue);
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

article {
  background-color: var(--dark-gray);
  border: 1px solid var(--gray2);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

article > * + * {
  margin-top: 1rem;
}

article h4 {
  color: var(--gray);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1rem;
  margin-top: .5rem;
}