body {
  background-color: #eee;
  margin: 0;
  padding: 0;
  font-family: monospace;
  font-size: 1.1rem; }

h1 {
  /*font-size: 2em;*/
  font-size: 3em;
  margin-top: 0.67em;
  margin-bottom: 0.67em; }

h2 {
  /*font-size: 1.5em;*/
  font-size: 2.3em;
  margin-top: 0.83em;
  margin-bottom: 0.83em; }

h3 {
  /*font-size: 1.17em;*/
  font-size: 1.5em;
  margin-top: 1em;
  margin-bottom: 1em; }

p {
  /*font-size: 1em;*/
  font-size: 1em;
  margin-top: 1em;
  margin-bottom: 1em; }

section {
  margin-bottom: 60px; }

section:last-child {
  margin-bottom: calc(100vh - 5 00px); }

.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  transition: all 0.4s; }
  .popup-content {
    position: absolute;
    height: 100vh;
    right: 0;
    padding: 15px;
    background-color: #fff;
    transition: all 0.4s;
    transform: translate(100vw, 0px);
    box-shadow: 0 10px 16px 0 rgba(0, 0, 0, 0.2);
    overflow: scroll;
    min-width: calc(100vw - 500px); }
  .popup.active {
    z-index: 1;
    background-color: rgba(0, 0, 0, 0.5); }
    .popup.active .popup-content {
      transform: translate(0, 0); }
  .popup #sandbox {
    box-shadow: 0px 0px 3px rgba(0, 0, 0, 0.5);
    margin-bottom: 30px; }

.btn {
  cursor: pointer;
  display: inline-block;
  border: 0;
  margin: 3px;
  font-size: 1.4em;
  color: white;
  box-shadow: 0 10px 16px 0 rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  padding: 5px 15px; }
  .btn.run {
    background-color: #d13b21; }
  .btn.run:hover {
    background-color: #e8553c; }

span.example-code {
  cursor: pointer;
  display: inline-block;
  border: 0;
  margin: 3px;
  font-size: 1.4em;
  color: white;
  background-color: #d13b21;
  box-shadow: 0 10px 16px 0 rgba(0, 0, 0, 0.2);
  border-radius: 3px;
  padding: 5px 15px; }
  span.example-code:hover {
    background-color: #e8553c; }

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  padding: 15px;
  padding-bottom: 90px;
  z-index: 100;
  box-sizing: border-box;
  background-color: #222;
  overflow-y: scroll; }
  .navbar .navbar-title, .navbar .navbar-item {
    cursor: pointer;
    display: block;
    text-decoration: none; }
    .navbar .navbar-title:hover, .navbar .navbar-item:hover {
      color: gold; }
    .navbar .navbar-title.focus, .navbar .navbar-item.focus {
      color: gold; }
  .navbar .navbar-title {
    margin-top: 20px;
    color: #999;
    font-size: 1.4rem; }
  .navbar .navbar-item {
    padding: 3px 0px;
    color: #666; }

.container {
  padding: 15px;
  margin-left: 250px; }

.runner {
  width: 100%;
  max-width: calc(100vw - 300px); }
  .runner .CodeMirror.cm-s-mbo {
    height: 150px; }
  .runner #sandbox {
    margin-top: 15px;
    width: 100%;
    height: calc(100vh - 250px); }