.topbar {
  background-color: #fff;
  position: absolute;
  width: 100%;
  padding: 0.5em 3em;
  z-index: 99; }
  .topbar .hamburger, .topbar .logo, .topbar nav {
    display: inline-block;
    vertical-align: middle;
    margin: .25em; }
  .topbar .hamburger {
    display: none;
    padding: .5em; }
    .topbar .hamburger svg {
      display: block; }
  .topbar nav {
    padding: .5em; }
    .topbar nav ul {
      margin: 0;
      padding: 0; }
      .topbar nav ul li {
        display: inline-block;
        margin: 0; }
        .topbar nav ul li a {
          text-transform: uppercase;
          font-weight: bold;
          padding: .5em 1em;
          font-size: 0.85em; }

@media screen and (max-width: 48em) {
  .sidebar {
    position: fixed;
    padding: .5em 1em;
    -webkit-box-shadow: 0 0 3px black;
    box-shadow: 0 0 3px black; }
    .sidebar .hamburger {
      display: inline-block; }
    .sidebar nav {
      display: none;
      padding: .5em; }
      .sidebar nav ul {
        padding-left: 3em; }
        .sidebar nav ul li {
          display: block;
          margin: 0; }
          .sidebar nav ul li a {
            display: block;
            padding: .5em 0em;
            font-size: .9em; }
    .sidebar.open nav {
      display: block; } }