html {
  height: 100%;
}

body {
  /* color: #333; */
  background: #222;
  color: #eee;
  display: grid;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  height: 100%;
  justify-content: space-evenly;
  margin: 0;
  padding: 0;
}

#topNav {
  display: grid;
  grid-template-columns: 1fr;
  padding: 1em;

  #sectionSelect {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: inherit;
  }
}

#sideNav {
  align-self: center;
  display: none;

  ul {
    margin: 0;
    padding: 1em;
  }

  li {
    list-style: none;
    margin: 0.5em 0;
  }

  a {
    /* color: #888; */
    color: #aaa;
    text-decoration: none;
    white-space: nowrap;

    :hover {
      text-decoration: underline;
    }

    &.active {
      /* color: black; */
      color: white;
    }
  }

}

main {
  padding: 1em;
  overflow-y: auto;

  > * {
    max-width: 800px;
  }
}

h1, h2, h3 {
  margin: 0;
}


h1 {
  padding-top: 2rem;
}

h2 {
  padding-top: 1.5em;
}

h3 {
  padding-top: 1rem;
}

img {
  cursor: pointer;
  max-width: 100%;
}

@media (min-width: 800px) {
  body {
    grid-template-columns: auto minmax(auto, 800px);
  }

  #topNav {
    display: none;
  }

  #sideNav {
    display: block;
  }

  h1 {
    padding-top: 10rem;
  }

  h2 {
    padding-top: 5rem;
  }

  h3 {
    padding-top: 3rem;
  }}