styles.css

/*
 * Most of this CSS was taken from: https://gist.github.com/killercup/5917178
 */


html {
  font-size: 100%;
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  color: #444;
  font-family: 'Century Schoolbook L', Roboto, Georgia, Palatino, 'Palatino Linotype', Times, 'Times New Roman', serif;
  font-size: 14px;
  line-height: 1.7;
  padding: 1em;
  margin: auto;
  max-width: 42em;
  background: #fefefe;
}

header {

  margin-bottom: 8em;
}

footer {
  margin-top:5em;
  text-align: right;
}

a {
  color: #4078F2;
  text-decoration: none;
}

a:visited {
  color: #4078F2;
}

a:hover {
    text-decoration: underline;
}

a:active {
  color: #0184BC;
}

a:focus {
  outline: thin dotted;
}

p {
  margin: 1em 0;
}

img {
  max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  color: #111;
  line-height: 125%;
  margin-top: 2em;
  font-weight: normal;
}

h4, h5, h6 {
  font-weight: bold;
}

h1 {
  font-size: 2.5em;
}

h2 {
  font-size: 2em;
}

h3 {
  font-size: 1.5em;
}

h4 {
  font-size: 1.2em;
}

h5 {
  font-size: 1em;
}

h6 {
  font-size: 0.9em;
}

blockquote {
  color: #666666;
  margin: 0;
  padding-left: 3em;
  border-left: 0.5em #EEE solid;
}

hr {
  display: block;
  height: 2px;
  border: 0;
  border-top: 1px solid #aaa;
  border-bottom: 1px solid #eee;
  margin: 1em 0;
  padding: 0;
}

pre, code, kbd, samp {
  font-family: monospace, monospace;
  _font-family: 'courier new', monospace;
  font-size: 0.95em;
}

div.sourceCode {
    padding: 1em;
    border-radius: .1em;
    line-height: 1.2em;
}

pre:not(.sourceCode) {
    padding: 1em;
    border-radius: .1em;
    line-height: 1.2em;
}

pre:not(.sourceCode), code:not(.sourceCode) {
    background-color: #F6F8FA;
    border-radius: .1em;
}

b, strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

ins {
  background: #ff9;
  color: #000;
  text-decoration: none;
}

mark {
  background: #ff0;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

ul, ol {
  margin: 1em 0;
  padding: 0 0 0 2em;
}

li p:last-child {
  margin-bottom: 0;
}

ul ul, ol ol {
  margin: .3em 0;
}

dl {
  margin-bottom: 1em;
}

dt {
  font-weight: bold;
  margin-bottom: .8em;
}

dd {
  margin: 0 0 .8em 2em;
}

dd:last-child {
  margin-bottom: 0;
}

img {
  border: 0;
  -ms-interpolation-mode: bicubic;
  vertical-align: middle;
}

figure {
  display: block;
  text-align: center;
  margin: 1em 0;
}

figure img {
  border: none;
  margin: 0 auto;
}

figcaption {
  font-size: 0.8em;
  font-style: italic;
  margin: 0 0 .8em;
}

table {
  margin-bottom: 2em;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
  border-spacing: 0;
  border-collapse: collapse;
}

table th {
  padding: .2em 1em;
  background-color: #eee;
  border-top: 1px solid #ddd;
  border-left: 1px solid #ddd;
}

table td {
  padding: .2em 1em;
  border-top: 1px solid #ddd;
  border-left: 1px solid #ddd;
  vertical-align: top;
}

.author {
  margin-top: -2em;
  font-size: 0.8em;
  text-align: center;
}

.title {
  font-size: 2.5em;
  text-align: center;
}

@media only screen and (min-width: 480px) {
  body {
    font-size: 16px;
  }
}
@media only screen and (min-width: 768px) {
  body {
    font-size: 18px;
  }
}
@media print {
  * {
    background: transparent !important;
    color: black !important;
    filter: none !important;
    -ms-filter: none !important;
  }

  body {
    font-size: 14pt;
    max-width: 100%;
  }

  a, a:visited {
    text-decoration: underline;
  }

  hr {
    height: 1px;
    border: 0;
    border-bottom: 1px solid black;
  }

  a[href]:after {
    content: " (" attr(href) ")";
  }
  

  abbr[title]:after {
    content: " (" attr(title) ")";
  }

  .ir a:after, a[href^="javascript:"]:after, a[href^="#"]:after {
    content: "";
  }

  pre, blockquote {
    border: 1px solid #999;
    padding-right: 1em;
    page-break-inside: avoid;
  }

  tr, img {
    page-break-inside: avoid;
  }

  img {
    max-width: 100% !important;
  }

  @page :left {
    margin: 15mm 20mm 15mm 10mm;
}

  @page :right {
    margin: 15mm 10mm 15mm 20mm;
}

  p, h2, h3 {
    orphans: 3;
    widows: 3;
  }

  h2, h3 {
    page-break-after: avoid;
  }
}

.orange {
  background: #e5c07b; 
}

@media (prefers-color-scheme: dark) {

  .orange {
    background: #C18401; 
  }
}
/*
 * I'm doing color theme setting here for source code so later I can turn on dark
 * mode
 */

div.sourceCode { color: #544d40; background-color: #F6F8FA; }
code span.an { color: #50A14F; font-weight: normal; } /* Annotation */
code span.at { color: #E45649; font-weight: normal; } /* Attribute */
code span.bn { color: #E45649; font-weight: normal; } /* BaseN */
code span.bu { } /* BuiltIn */
code span.cf { color: #0184BC; font-weight: normal; } /* ControlFlow */
code span.ch { color: #E45649; font-weight: normal; } /* Char */
code span.cn { color: #E45649; font-weight: normal; } /* Constant */
code span.co { color: #A0A1A7; font-weight: normal; } /* Comment */
code span.cv { color: #50A14F; font-weight: normal; } /* CommentVar */
code span.do { color: #50A14F; font-weight: normal; } /* Documentation */
code span.dt { color: #0184BC; font-weight: normal; } /* DataType */
code span.dv { color: #C18401; font-weight: normal; } /* DecVal */
code span.er { color: #be5046; font-weight: normal; } /* Error */
code span.ex { } /* Extension */
code span.fl { color: #4078F2; font-weight: normal; } /* Float */
code span.fu { color: #4078F2; font-weight: normal; } /* Function */
code span.im { color: #A626A4; font-weight: normal; } /* Import */
code span.in { color: #50A14F; font-weight: normal; } /* Information */
code span.kw { color: #A626A4; font-weight: normal; } /* Keyword */
code span.op { color: #544d40; font-weight: normal; } /* Operator */
code span.ot { color: #C18401; font-weight: normal; } /* Other */
code span.pp { color: #0184BC; font-weight: normal; } /* Preprocessor */
code span.sc { color: #E45649; font-weight: normal; } /* SpecialChar */
code span.ss { color: #E45649; font-weight: normal; } /* SpecialString */
code span.st { color: #50A14F; font-weight: normal; } /* String */
code span.va { } /* Variable */
code span.vs { color: #E45649; font-weight: normal; } /* VerbatimString */
code span.wa { color: #50A14F; font-weight: normal; } /* Warning */


@media (prefers-color-scheme: dark) {
  h1, h2, h3, h4, h5, h6 {
    color: #eee;
  }
  pre:not(.sourceCode), code:not(.sourceCode) {
      background-color: #282c34;
  }
  body {
    color: #ccc;
    background: #010101;
  }

  a {
    color: #61afef;
  }
  
  a:visited {
    color: #61afef;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  a:active {
    color: #56b6c2;
  }
  
  div.sourceCode { color: #abb2bf; background-color: #282c34; }
  code span.an { color: #98c379; } /* Annotation */
  code span.at { color: #e06c75; } /* Attribute */
  code span.bn { color: #e06c75; } /* BaseN */
  code span.bu { } /* BuiltIn */
  code span.cf { color: #56b6c2; } /* ControlFlow */
  code span.ch { color: #e06c75; } /* Char */
  code span.cn { color: #e06c75; } /* Constant */
  code span.co { color: #4b5363; } /* Comment */
  code span.cv { color: #98c379; } /* CommentVar */
  code span.do { color: #98c379; } /* Documentation */
  code span.dt { color: #56b6c2; } /* DataType */
  code span.dv { color: #e5c07b; } /* DecVal */
  code span.er { color: #be5046; } /* Error */
  code span.ex { } /* Extension */
  code span.fl { color: #61afef; } /* Float */
  code span.fu { color: #61afef; } /* Function */
  code span.im { color: #c678dd; } /* Import */
  code span.in { color: #98c379; } /* Information */
  code span.kw { color: #c678dd; } /* Keyword */
  code span.op { color: #abb2bf; } /* Operator */
  code span.ot { color: #e5c07b; } /* Other */
  code span.pp { color: #56b6c2; } /* Preprocessor */
  code span.sc { color: #e06c75; } /* SpecialChar */
  code span.ss { color: #e06c75; } /* SpecialString */
  code span.st { color: #98c379; } /* String */
  code span.va { } /* Variable */
  code span.vs { color: #e06c75; } /* VerbatimString */
  code span.wa { color: #98c379; } /* Warning *//
}