/* Copyright (c) 2017 Anish Athalye */

/* Basic styling */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-rendering: geometricPrecision;
}

html {
  font-size: 14px;
  font-family: "Source Sans Pro", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

@media(min-width: 480px) {
  html {
    font-size: 16px;
  }
}

body {
  margin: 0;
  color: #000;
  background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  font-weight: bold;
  line-height: 1.25;
  font-size: 1rem;
}

h1 {
  margin-top: 1.25rem;
  font-size: 1.5rem;
}

h2 {
  margin-top: 1.25rem;
  font-size: 1.1rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

strong {
  font-weight: bold;
}

em {
  font-style: italic;
}

ul {
  list-style-position: inside;
  padding-left: 1rem;
}

li > ul {
  padding-left: 2rem;
}

ul li {
  list-style-type: none;
}

ul, ol {
  margin-bottom: 1rem;
}

ul ul, ol ul, ul ol, ol ol {
  margin-bottom: inherit;
}

ul li:before {
  content: "\2013  "; /* note: extra space needed because first is consumed by css parser */
  position: absolute;
  margin-left: -1rem;
}

pre, code {
  font-family: "Source Code Pro", "Menlo", "DejaVu Sans Mono", "Lucida Console", monospace;
}

code {
  background-color: rgba(27,31,35,.05);
  border-radius: 3px;
  padding: 0 0.2rem;
  font-size: 0.9em;
}

pre {
  color: #000;
  margin: 1rem;
  padding: 0.5rem 1rem;
  border: 1px dashed #444;
  word-wrap: break-word;
  white-space: pre-wrap;
  font-size: .8rem;
}

pre code {
  color: inherit;
  background: none;
  font-size: 100%;
}

a {
  color: #006400;
  text-decoration: underline;
}

a:hover {
  color: #fff;
  background-color: #006400;
}

img, video {
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 5px;
  max-width: 100%;
  max-height: 80vh;
}

video {
  margin-bottom: 1rem;
}

summary {
  outline: none;
  user-select: none;
}

hr {
  position: relative;
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #fff;
}

/* Classes */

.title {
  font-size: 2rem;
}

.subtitle {
  font-size: 1.5rem;
  margin-left: 1rem;
}

.small {
  font-size: 0.75rem;
}

.small p {
  margin-bottom: 0;
}

.center {
  text-align: center;
}

.youtube-wrapper {
  position: relative;
  height: 0;
  margin-bottom: 1rem;
}

.youtube-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Elements */

#content {
  max-width: 40rem;
  margin: auto;
  margin-bottom: 2rem;
  padding: 1rem 1rem 0 1rem;
}

#nav-bg {
  margin: 0;
  padding: 0.25rem 1rem;
  font-family: "Source Code Pro", "Menlo", "DejaVu Sans Mono", "Lucida Console", monospace;
  background: #006400;
  color: #fff;
}

#top-nav {
  max-width: 40rem;
  margin: auto;
  text-align: center;
}

#top-nav a {
  color: #fff;
  text-decoration: none;
}

#top-nav a:hover {
  color: #000;
  background-color: #fff;
}

a#logo {
  color: #0f0;
}

a:hover#logo {
  color: #000;
}

#menu-icon {
  display: none;
}

.trigger {
  display: none;
}

input[type=checkbox]:checked ~ .trigger {
  display:block;
  margin: auto;
}

.menu-label {
  font-family: "Source Code Pro", "Menlo", "DejaVu Sans Mono", "Lucida Console", monospace;
}

input[type=checkbox] ~ .menu-label:after {
  content: "(+)";
}

input[type=checkbox]:checked ~ .menu-label:after {
  content: "(-)";
}

.nav-link {
  display: block;
}

.trigger-child {
  display: inline-block;
  text-align: initial;
}

.nav-link:before {
  content: "- ";
}

/* in terms of our fixed-width layout; if smaller than this, we want to
 * collapse the menu */
@media (min-width: 40rem) {
  .menu-label {
    display: none;
  }

  .trigger {
    display: inline;
    padding-top: inherit;
  }

  .trigger-child {
    display: inline;
    text-align: initial;
  }

  .nav-link {
    display: initial;
  }

  .nav-link:before {
    content: "| ";
  }
}