Add auto dark theme

assets/css/markdown-dark.css

@@ -0,0 +1,89 @@
+#contentBody img {
+  box-shadow: 0px 3px 15px rgba(255,255,255,0.2);
+}
+
+#contentBody hr {
+  border-bottom: 1px solid #201d1a;
+}
+
+#contentBody hr {
+  background-color: #1e1b17;
+}
+
+#contentBody blockquote {
+  color: #958c82;
+  border-left: 0.25em solid #201d1a;
+}
+
+#contentBody kbd {
+  color: #bbb2a9;
+  background-color: #050403;
+  border: solid 1px #39342e;
+  border-bottom-color: #6a625a;
+  box-shadow: inset 0 -1px 0 #6a625a;
+}
+
+#contentBody h1 .octicon-link,
+#contentBody h2 .octicon-link,
+#contentBody h3 .octicon-link,
+#contentBody h4 .octicon-link,
+#contentBody h5 .octicon-link,
+#contentBody h6 .octicon-link {
+  color: #e4e0dc;
+}
+
+#contentBody h1 {
+  border-bottom: 1px solid #363636;
+}
+
+#contentBody h2 {
+  border-bottom: 1px solid #363636;
+}
+
+
+#contentBody h6 {
+  font-size: 0.85em;
+  color: #958c82;
+}
+
+#contentBody table th,
+#contentBody table td {
+  padding: 6px 13px;
+  border: 1px solid #363636;
+  background-color: #090909;
+}
+
+#contentBody img {
+  background-color: #090909;
+}
+
+
+#contentBody code {
+  background-color: #090909;
+}
+
+#contentBody .highlight pre,
+#contentBody pre {
+  background-color: #090909;
+}
+
+#contentBody .full-commit .btn-outline:not(:disabled):hover {
+  color: #005cc5;
+  border-color: #005cc5;
+}
+
+#contentBody kbd {
+  color: #bbb2a9;
+  background-color: #050403;
+  border: solid 1px #2e2a25;
+  border-bottom-color: #39342e;
+  box-shadow: inset 0 -1px 0 #c6cbd1;
+}
+
+#contentBody :checked+.radio-label {
+  border-color: #0366d6;
+}
+
+#contentBody hr {
+  border-bottom-color: #111;
+}

assets/css/style-dark.css

@@ -0,0 +1,48 @@
+/* General */
+body {
+  background-color: #101010;
+  color: #8f8f8f;
+}
+
+a:link {
+  color: #8f8f8f;
+}
+
+a:visited {
+  color: #8f8f8f;
+}
+
+a:hover {
+  color: #8f8f8f;
+}
+
+a:active {
+  color: #8f8f8f;
+}
+
+#searchBox #searchBoxInput {
+  color: #8f8f8f;
+  background-color:#363636;
+  border: solid 1px #363636;
+}
+
+#searchBox #searchBoxInput::placeholder {
+  color: #363636;
+}
+
+#searchResults {
+  background-color:#363636;
+  border: solid 1px #363636;
+}
+
+#searchResults mark {
+  background-color: #222020;
+}
+
+#tags li a {
+  background-color: #222020;
+}
+
+#contentsList hr.separator {
+  border: solid 1px #363636;
+}

assets/css/syntax-highlight-dark.css

@@ -0,0 +1,65 @@
+/* Background */ .chroma { color: #d0d0d0; background-color: #202020 }
+/* Error */ .chroma .err { color: #a61717; background-color: #e3d2d2 }
+/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
+/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; width: auto; overflow: auto; display: block; }
+/* LineHighlight */ .chroma .hl { display: block; width: 100%;background-color: #ffffcc }
+/* LineNumbersTable */ .chroma .lnt { margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #686868 }
+/* LineNumbers */ .chroma .ln { margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #686868 }
+/* Keyword */ .chroma .k { color: #6ab825; font-weight: bold }
+/* KeywordConstant */ .chroma .kc { color: #6ab825; font-weight: bold }
+/* KeywordDeclaration */ .chroma .kd { color: #6ab825; font-weight: bold }
+/* KeywordNamespace */ .chroma .kn { color: #6ab825; font-weight: bold }
+/* KeywordPseudo */ .chroma .kp { color: #6ab825 }
+/* KeywordReserved */ .chroma .kr { color: #6ab825; font-weight: bold }
+/* KeywordType */ .chroma .kt { color: #6ab825; font-weight: bold }
+/* NameAttribute */ .chroma .na { color: #bbbbbb }
+/* NameBuiltin */ .chroma .nb { color: #24909d }
+/* NameClass */ .chroma .nc { color: #447fcf; text-decoration: underline }
+/* NameConstant */ .chroma .no { color: #40ffff }
+/* NameDecorator */ .chroma .nd { color: #ffa500 }
+/* NameException */ .chroma .ne { color: #bbbbbb }
+/* NameFunction */ .chroma .nf { color: #447fcf }
+/* NameNamespace */ .chroma .nn { color: #447fcf; text-decoration: underline }
+/* NameTag */ .chroma .nt { color: #6ab825; font-weight: bold }
+/* NameVariable */ .chroma .nv { color: #40ffff }
+/* LiteralString */ .chroma .s { color: #ed9d13 }
+/* LiteralStringAffix */ .chroma .sa { color: #ed9d13 }
+/* LiteralStringBacktick */ .chroma .sb { color: #ed9d13 }
+/* LiteralStringChar */ .chroma .sc { color: #ed9d13 }
+/* LiteralStringDelimiter */ .chroma .dl { color: #ed9d13 }
+/* LiteralStringDoc */ .chroma .sd { color: #ed9d13 }
+/* LiteralStringDouble */ .chroma .s2 { color: #ed9d13 }
+/* LiteralStringEscape */ .chroma .se { color: #ed9d13 }
+/* LiteralStringHeredoc */ .chroma .sh { color: #ed9d13 }
+/* LiteralStringInterpol */ .chroma .si { color: #ed9d13 }
+/* LiteralStringOther */ .chroma .sx { color: #ffa500 }
+/* LiteralStringRegex */ .chroma .sr { color: #ed9d13 }
+/* LiteralStringSingle */ .chroma .s1 { color: #ed9d13 }
+/* LiteralStringSymbol */ .chroma .ss { color: #ed9d13 }
+/* LiteralNumber */ .chroma .m { color: #3677a9 }
+/* LiteralNumberBin */ .chroma .mb { color: #3677a9 }
+/* LiteralNumberFloat */ .chroma .mf { color: #3677a9 }
+/* LiteralNumberHex */ .chroma .mh { color: #3677a9 }
+/* LiteralNumberInteger */ .chroma .mi { color: #3677a9 }
+/* LiteralNumberIntegerLong */ .chroma .il { color: #3677a9 }
+/* LiteralNumberOct */ .chroma .mo { color: #3677a9 }
+/* OperatorWord */ .chroma .ow { color: #6ab825; font-weight: bold }
+/* Comment */ .chroma .c { color: #999999; font-style: italic }
+/* CommentHashbang */ .chroma .ch { color: #999999; font-style: italic }
+/* CommentMultiline */ .chroma .cm { color: #999999; font-style: italic }
+/* CommentSingle */ .chroma .c1 { color: #999999; font-style: italic }
+/* CommentSpecial */ .chroma .cs { color: #e50808; background-color: #520000; font-weight: bold }
+/* CommentPreproc */ .chroma .cp { color: #cd2828; font-weight: bold }
+/* CommentPreprocFile */ .chroma .cpf { color: #cd2828; font-weight: bold }
+/* GenericDeleted */ .chroma .gd { color: #d22323 }
+/* GenericEmph */ .chroma .ge { font-style: italic }
+/* GenericError */ .chroma .gr { color: #d22323 }
+/* GenericHeading */ .chroma .gh { color: #ffffff; font-weight: bold }
+/* GenericInserted */ .chroma .gi { color: #589819 }
+/* GenericOutput */ .chroma .go { color: #cccccc }
+/* GenericPrompt */ .chroma .gp { color: #aaaaaa }
+/* GenericStrong */ .chroma .gs { font-weight: bold }
+/* GenericSubheading */ .chroma .gu { color: #ffffff; text-decoration: underline }
+/* GenericTraceback */ .chroma .gt { color: #d22323 }
+/* GenericUnderline */ .chroma .gl { text-decoration: underline }
+/* TextWhitespace */ .chroma .w { color: #666666 }

layouts/partials/head.html

@@ -16,8 +16,14 @@
   {{ $style := resources.Get "css/style.css" }}
   {{ $markdown := resources.Get "css/markdown.css" }}
   {{ $syntaxHighlight := resources.Get "css/syntax-highlight.css" }}
-  {{ $css := slice $style $markdown $syntaxHighlight | resources.Concat "style.css" | resources.Minify | resources.Fingerprint }}
+  {{ $syntaxHighlightDark := resources.Get "css/syntax-highlight-dark.css" }}
-  <link rel="stylesheet" href="{{ $css.Permalink }}">
+  {{ $css := slice $style $markdown $syntaxHighlight $syntaxHighlightDark | resources.Concat "style.css" | resources.Minify | resources.Fingerprint }}
+  <link rel="stylesheet" href="{{ $css.Permalink }}" integrity="{{ $css.Data.Integrity }}">
+  {{ $styleDark := resources.Get "css/style-dark.css" }}
+  {{ $markdownDark := resources.Get "css/markdown-dark.css" }}
+  {{ $syntaxHighlightDark := resources.Get "css/syntax-highlight-dark.css" }}
+  {{ $cssDark := slice $styleDark $markdownDark $syntaxHighlightDark | resources.Concat "style-dark.css" | resources.Minify | resources.Fingerprint }}
+  <link rel="stylesheet" href="{{ $cssDark.Permalink }}" media="(prefers-color-scheme: dark)" integrity="{{ $cssDark.Data.Integrity }}">
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">
 
   <!-- custom css -->