@font-face {
  font-family: 'ISO8';
  src: url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_IBM_ISO8.woff') format('woff'), url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_IBM_ISO8.ttf') format('truetype');
}
@font-face {
  font-family: 'ISO9';
  src: url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_IBM_ISO9.woff') format('woff'), url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_IBM_ISO9.ttf') format('truetype');
}
@font-face {
  font-family: 'VGA8';
  src: url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_IBM_VGA8.ttf') format('truetype');
}
@font-face {
  font-family: 'BIOS-2y';
  src: url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_DTK_BIOS-2y.ttf') format('truetype');
}
@font-face {
  font-family: 'BIOS';
  src: url('/fonts/ultimate_oldschool_pc_font_pack_v1.0/Px437 (TrueType - DOS charset)/Px437_DTK_BIOS.ttf') format('truetype');
}
html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}
ul {
  margin: 0;
  list-style-type: square;
}
/* Tomorrow Night Eighties Theme */
/* Original theme - https://github.com/chriskempson/tomorrow-theme */
/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
/* Tomorrow Comment */
.hljs-comment,
.hljs-quote {
  color: #999999;
}
/* Tomorrow Red */
.hljs-variable,
.hljs-template-variable,
.hljs-tag,
.hljs-name,
.hljs-selector-id,
.hljs-selector-class,
.hljs-regexp,
.hljs-deletion {
  color: #f2777a;
}
/* Tomorrow Orange */
.hljs-number,
.hljs-built_in,
.hljs-builtin-name,
.hljs-literal,
.hljs-type,
.hljs-params,
.hljs-meta,
.hljs-link {
  color: #f99157;
}
/* Tomorrow Yellow */
.hljs-attribute {
  color: #ffcc66;
}
/* Tomorrow Green */
.hljs-string,
.hljs-symbol,
.hljs-bullet,
.hljs-addition {
  color: #99cc99;
}
/* Tomorrow Blue */
.hljs-title,
.hljs-section {
  color: #6699cc;
}
/* Tomorrow Purple */
.hljs-keyword,
.hljs-selector-tag {
  color: #cc99cc;
}
.hljs {
  display: block;
  overflow-x: auto;
  background: #2d2d2d;
  color: #cccccc;
  padding: 0.5em;
}
.hljs-emphasis {
  font-style: italic;
}
.hljs-strong {
  font-weight: bold;
}
/* Flex box support */
hflexbox {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: row;
      flex-direction: row;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -ms-flex-pack: center;
      justify-content: center;
  -ms-flex-line-pack: start;
      align-content: flex-start;
  -ms-flex-align: start;
      align-items: flex-start;
}
.flex-item {
  -ms-flex: 0 1 auto;
      flex: 0 1 auto;
  -ms-flex-item-align: auto;
      align-self: auto;
}
@media screen and (min-width: 1200px) {
}
@media screen and (max-width: 1326px) {
  .decadeToggle {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: center;
        justify-content: center;
    margin-bottom: 20px;
  }
}
@media screen and (min-width: 1326px) {
  .decadeToggle {
    display: unset;
    position: fixed;
    right: 5px;
    bottom: 5px;
  }
}
.onoffswitch {
  position: relative;
  width: 63px;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}
.onoffswitch-checkbox {
  display: none;
}
.onoffswitch-label {
  display: block;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid #000000;
  border-radius: 0px;
  box-sizing: border-box !important;
}
.onoffswitch-inner {
  display: block;
  width: 200%;
  margin-left: -100%;
  transition: margin 0.3s ease-in 0s;
}
.onoffswitch-inner:before,
.onoffswitch-inner:after {
  display: block;
  float: left;
  width: 50%;
  height: 23px;
  padding: 0;
  line-height: 19px;
  font-size: 14px;
  color: white;
  font-family: Trebuchet, Arial, sans-serif;
  font-weight: bold;
  box-sizing: border-box;
  border: 2px solid transparent;
  background-clip: padding-box;
}
.onoffswitch-inner:before {
  content: '80s';
  padding-left: 10px;
  background-color: #ffffff;
  color: #000000;
}
.onoffswitch-inner:after {
  content: '90s';
  padding-right: 10px;
  background-color: #ffffff;
  color: #000000;
  text-align: right;
}
.onoffswitch-switch {
  display: block;
  width: 18px;
  margin: 0px;
  background: #000000;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 45px;
  transition: all 0.3s ease-in 0s;
}
.onoffswitch-checkbox:checked + .onoffswitch-label .onoffswitch-inner {
  margin-left: 0;
}
.onoffswitch-checkbox:checked + .onoffswitch-label .onoffswitch-switch {
  right: 0px;
  background-color: #00aaaa;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  padding: 0.2em 0;
}
h1 {
  font-size: 2rem;
  margin: 0.5em 0 0 0;
  text-align: center;
}
@media screen and (min-width: 450px) {
  h1 {
    font-size: 3em;
  }
}
@media screen and (min-width: 1200px) {
  h1 {
    font-size: 4rem;
  }
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1rem;
}
code {
  overflow-x: auto;
  display: inline-block;
  max-width: 100%;
  vertical-align: middle;
}
img.construction {
  display: none;
}
section.shuttle {
  display: none;
}
@media screen and (min-width: 1200px) {
  section.shuttle {
    display: initial;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    position: fixed;
    color: black;
    right: -100px;
    display: inline;
    top: 0;
    z-index: -99999;
    font-weight: bold;
  }
}
:root.eighties {
  /* Glyph, by Harry Roberts */
}
:root.eighties hr {
  font-family: Georgia, 'Times New Roman', Times, serif;
  overflow: visible;
  /* For IE */
  padding: 0;
  border: none;
  border-top: medium double #333;
  border-color: #bbbbbb;
  color: #bbbbbb;
  text-align: center;
}
:root.eighties hr:after {
  content: '§';
  display: inline-block;
  position: relative;
  top: -0.7em;
  font-size: 1.5em;
  padding: 0 0.25em;
  background: #000084;
}
:root.eighties footer hr,
:root.eighties article hr {
  margin-top: 30px;
  margin-bottom: 0;
}
:root.eighties article .authorAndDates {
  border: 3px double #fbfbfb;
}
:root.eighties .button {
  background-color: #bbbbbb;
}
:root.eighties h1,
:root.eighties h2,
:root.eighties h3,
:root.eighties h4,
:root.eighties h5,
:root.eighties h6 {
  padding: 0.2em;
  background-color: #00aaaa;
  color: #fbfbfb;
  font-weight: normal;
  font-family: 'VGA8';
}
:root.eighties body,
:root.eighties code {
  font-family: 'VGA8';
  background-color: #bbbbbb;
  color: black;
}
:root.eighties body {
  color: #bbbbbb;
  background-color: #000084;
}
:root.eighties a,
:root.eighties li.active > a,
:root.eighties a:active,
:root.eighties a:hover,
:root.eighties a:visited {
  color: #fbfbfb;
}
:root.eighties a:hover {
  background-color: black;
  color: #fbfbfb;
}
:root.eighties header h1 {
  margin-bottom: 30px;
}
:root.eighties section.shuttle {
  color: #0000b7;
}
@media screen and (min-width: 1200px) {
  :root.eighties section.content nav.table-of-contents {
    margin-top: 15px;
  }
}
@media screen and (max-width: 1200px) {
  :root.eighties .footer-nav {
    margin-top: 25px;
  }
}
:root.eighties .hljs {
  background: #eee;
}
:root.eighties article .content img,
:root.eighties .hljs,
:root.eighties h1,
:root.eighties h2,
:root.eighties h3,
:root.eighties .button,
:root.eighties nav > ul {
  box-shadow: 11px 13px 0 4px black;
  margin-bottom: 30px;
}
:root.eighties nav > ul {
  background-color: #bbbbbb;
  color: black;
}
:root.eighties nav > ul a,
:root.eighties nav > ul a:hover,
:root.eighties nav > ul a:visited {
  color: black;
}
:root.eighties nav > ul li.active > a:not(.button),
:root.eighties nav > ul a:active,
:root.eighties nav > ul a:hover {
  text-decoration: none;
  background-color: black;
  color: #fbfbfb;
  border: solid 1px black;
}
:root.eighties .button:hover {
  background-color: #00aaaa;
}
:root.eighties pre code.hljs {
  color: #666;
  font-family: 'VGA8';
}
:root.nineties h1,
:root.nineties h2,
:root.nineties h3,
:root.nineties h4,
:root.nineties h5,
:root.nineties h6 {
  line-height: 1.2;
  font-weight: 500;
}
:root.nineties .homepage h2 {
  padding: 0.3em;
}
:root.nineties .button {
  border: 1px solid black;
}
:root.nineties .footer-nav {
  -ms-flex-pack: space-evenly;
      justify-content: space-evenly;
  min-height: 100px;
}
:root.nineties body {
  font-family: Verdana, sans-serif;
  line-height: 1.6;
  padding: 0 10px;
  background-color: gainsboro;
}
:root.nineties article .authorAndDates {
  border: 2px solid black;
}
:root.nineties img.construction {
  display: initial;
}
:root.nineties section.shuttle {
  color: #e9e9e9;
}
@media screen and (min-width: 1200px) {
  :root.nineties section.content > * {
    border: 4px ridge gainsboro;
  }
  :root.nineties section.content > *:not(:last-child) {
    border-right: 0;
  }
  :root.nineties section.content article {
    padding: 0 25px;
  }
}
:root.nineties footer hr {
  visibility: hidden;
}
a,
li.active > a,
a:active,
a:hover,
a:visited {
  text-decoration: none;
}
header a:hover {
  text-decoration: none;
}
h1 .anchor,
h2 .anchor,
h3 .anchor,
h4 .anchor,
h5 .anchor,
h6 .anchor {
  visibility: hidden;
  margin-left: 8px;
  padding: 8px;
}
h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
h4:hover .anchor,
h5:hover .anchor,
h6:hover .anchor {
  visibility: unset;
}
section.content {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
}
nav.table-of-contents > ul {
  margin-bottom: 20px;
  margin-top: 0;
}
nav ul {
  padding-left: 20px;
}
nav > ul {
  padding-left: 30px;
  padding-top: 10px;
  padding-bottom: 10px;
}
nav > ul li {
  padding: 0.1em;
}
nav > ul a:hover,
nav > ul a.active {
  text-decoration: underline;
}
body {
  margin: 0 auto;
  padding: 10px 10px 0;
}
html {
  font-size: 100%;
}
@media screen and (min-width: 450px) {
  html {
    font-size: 115%;
  }
}
@media screen and (min-width: 1200px) {
  html {
    font-size: 130%;
  }
}
@media screen and (min-width: 1200px) {
  body {
    width: 1200px;
  }
  section.content {
    -ms-flex-direction: row;
        flex-direction: row;
  }
  section.content nav.table-of-contents {
    width: 350px;
  }
  section.content nav.table-of-contents ul {
    position: -webkit-sticky;
    position: sticky;
    top: 20px;
  }
  section.content article {
    width: calc(850px);
    padding-left: 50px;
  }
  section.about {
    -moz-column-count: 3;
         column-count: 3;
    margin: 0 150px;
  }
}
article .content img,
.hljs,
h1,
h2,
h3,
.button,
nav > ul {
  margin-top: 10px;
  margin-bottom: 10px;
  width: 100%;
}
article .content img {
  display: block;
}
.button {
  -ms-flex-positive: 0;
      flex-grow: 0;
}
@media screen and (min-width: 1200px) {
  .button {
    -ms-flex-positive: 0;
        flex-grow: 0;
    margin: 0 10px;
  }
}
header {
  text-align: center;
}
footer {
  font-size: 80%;
}
footer section.about :first-child {
  margin-top: 0;
}
footer section.about :last-child {
  margin-bottom: 0;
}
footer section.copy {
  text-align: center;
  font-style: oblique;
  opacity: 0.5;
  margin: 50px 0;
  font-size: 80%;
}
article .authorAndDates {
  padding: 0 10px;
}
article .footer-nav {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
      flex-direction: column;
}
@media screen and (min-width: 1200px) {
  article .footer-nav {
    margin: 30px 0 20px 0;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: row;
        flex-direction: row;
    -ms-flex-pack: center;
        justify-content: center;
  }
}
.homepage p {
  margin-top: 0;
}
a.button {
  display: -ms-flexbox;
  display: flex;
  height: 45px;
  -ms-flex-pack: center;
      justify-content: center;
}
a.button > img {
  height: 45px;
}
a.button span {
  -ms-flex-item-align: center;
      align-self: center;
  text-align: center;
  padding: 0 15px;
}
@media screen and (min-width: 1200px) {
  a.button > img {
    height: 45px;
    -ms-flex-positive: 0;
        flex-grow: 0;
  }
  a.button span {
    -ms-flex-positive: 1;
        flex-grow: 1;
    -ms-flex-item-align: center;
        align-self: center;
    text-align: center;
    padding: unset;
  }
}