:root {
  --bg-color: #fff;
  --text-color: #040101;
  --header-color: #222;
  --link-color: #39c;
  --link-hover: #069;
  --pre-bg: #f8f8f8;
  --pre-border: #e5e5e5;
  --code-color: #333;
  --h2-color: #393939;
  --h3-h6-color: #494949;
  --small-link-color: #777;
  --header-ul-bg: #f4f4f4;
  --header-ul-border: #e0e0e0;
  --header-ul-link: #999;
  --header-ul-active: #f0f0f0;
  --dt-th-color: #444;
}

body.dark-mode {
  --bg-color: #1a1a1a;
  --text-color: #d9d9d9;
  --header-color: #fff;
  --link-color: #70c0ff;
  --link-hover: #4da8ff;
  --pre-bg: #2d2d2d;
  --pre-border: #404040;
  --code-color: #d9d9d9;
  --h2-color: #cccccc;
  --h3-h6-color: #bbbbbb;
  --small-link-color: #999;
  --header-ul-bg: #2d2d2d;
  --header-ul-border: #404040;
  --header-ul-link: #aaaaaa;
  --header-ul-active: #383838;
  --dt-th-color: #bbbbbb;
}

/*-------------------------------------*/

body {
  background-color: var(--bg-color);
  padding: 50px;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  color: var(--text-color);
  font-weight: 400;
  text-align: justify;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--header-color);
  margin: 0 0 20px;
}

p, ul, ol, table, pre, dl {
  margin: 0 0 20px;
}

h1, h2, h3 {
  line-height: 1.1;
}

h1 {
  font-size: 28px;
  font-weight: 500;
}

h2 {
  color: var(--h2-color);
  font-weight: 500;
}

h3, h4, h5, h6 {
  color: var(--h3-h6-color);
  font-weight: 500;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
}

a small {
  font-size: 11px;
  color: var(--small-link-color);
  margin-top: -0.3em;
  display: block;
}

a:hover small {
  color: var(--small-link-color);
}

.wrapper {
  width: 860px;
  margin: 0 auto;
}

blockquote {
  border-left: 1px solid var(--pre-border);
  margin: 0;
  padding: 0 0 0 20px;
  font-style: italic;
}

code, pre {
  font-family: Monaco, Bitstream Vera Sans Mono, Lucida Console, Terminal, Consolas, Liberation Mono, DejaVu Sans Mono, Courier New, monospace;
  color: var(--code-color);
}

pre {
  padding: 8px 15px;
  background: var(--pre-bg);
  border-radius: 5px;
  border: 1px solid var(--pre-border);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 5px 10px;
  border-bottom: 1px solid var(--pre-border);
}

dt {
  color: var(--dt-th-color);
  font-weight: 500;
}

th {
  color: var(--dt-th-color);
}

img {
  max-width: 100%;
}

header {
  width: 270px;
  float: left;
  position: fixed;
  -webkit-font-smoothing: subpixel-antialiased;
}

header ul {
  list-style: none;
  height: 40px;
  padding: 0;
  background: var(--header-ul-bg);
  border-radius: 5px;
  border: 1px solid var(--header-ul-border);
  width: 270px;
}

header li {
  width: 89px;
  float: left;
  border-right: 1px solid var(--header-ul-border);
  height: 40px;
}

header li:first-child a {
  border-radius: 5px 0 0 5px;
}

header li:last-child a {
  border-radius: 0 5px 5px 0;
}

header ul a {
  line-height: 1;
  font-size: 11px;
  color: var(--header-ul-link);
  display: block;
  text-align: center;
  padding-top: 6px;
  height: 34px;
}

header ul a:hover {
  color: var(--header-ul-link);
}

header ul a:active {
  background-color: var(--header-ul-active);
}

strong {
  color: var(--header-color);
  font-weight: 500;
}

header ul li + li + li {
  border-right: none;
  width: 89px;
}

header ul a strong {
  font-size: 14px;
  display: block;
  color: var(--header-color);
}

p {
  margin: 0 0 20px;
}

section {
  width: 500px;
  float: right;
  padding-bottom: 50px;
}

small {
  font-size: 11px;
}

hr {
  border: 0;
  background: var(--pre-border);
  height: 1px;
  margin: 0 0 20px;
}

.nl-bg {
  margin-bottom: 2px;
}

.nl-sm {
  margin-bottom: 8px;
}

footer {
  width: 270px;
  float: left;
  position: fixed;
  bottom: 50px;
  -webkit-font-smoothing: subpixel-antialiased;
}

@media print, screen and (max-width: 960px) {
  div.wrapper {
    width: auto;
    margin: 0;
  }

  header, section, footer {
    float: none;
    position: static;
    width: auto;
  }

  header {
    padding-right: 320px;
  }

  section {
    border: 1px solid var(--pre-border);
    border-width: 1px 0;
    padding: 20px 0;
    margin: 0 0 20px;
  }

  header a small {
    display: inline;
  }

  header ul {
    position: absolute;
    right: 50px;
    top: 52px;
  }
}

@media print, screen and (max-width: 720px) {
  body {
    word-wrap: break-word;
  }

  header {
    padding: 0;
  }

  header ul,
  header p.view {
    position: static;
  }

  pre,
  code {
    word-wrap: normal;
  }
}

@media print, screen and (max-width: 480px) {
  body {
    padding: 15px;
  }

  header ul {
    width: 99%;
  }

  header li,
  header ul li + li + li {
    width: 33%;
  }
}

@media print {
  body {
    padding: 0.4in;
    font-size: 12pt;
    color: var(--dt-th-color);
  }
}