diff --git a/assets/stylesheets/breezedark.css b/assets/stylesheets/breezedark.css
new file mode 100644
index 0000000..421690a
--- /dev/null
+++ b/assets/stylesheets/breezedark.css
@@ -0,0 +1,75 @@
+/*  ==============================================================================
+                        Breezedark (pandoc built-in style)                      
+    ==============================================================================
+    Style from the "Breeze Dark" KDE syntax highlighting theme.
+  
+    This stylesheet was produced using Pandoc v2.7.2.
+  
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #232629;
+    color: #7a7c7d;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #7a7c7d;  padding-left: 4px; }
+div.sourceCode
+  { color: #cfcfc2; background-color: #232629; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span. { color: #cfcfc2; } /* Normal */
+code span.al { color: #95da4c; } /* Alert */
+code span.an { color: #3f8058; } /* Annotation */
+code span.at { color: #2980b9; } /* Attribute */
+code span.bn { color: #f67400; } /* BaseN */
+code span.bu { color: #7f8c8d; } /* BuiltIn */
+code span.cf { color: #fdbc4b; } /* ControlFlow */
+code span.ch { color: #3daee9; } /* Char */
+code span.cn { color: #27aeae; } /* Constant */
+code span.co { color: #7a7c7d; } /* Comment */
+code span.cv { color: #7f8c8d; } /* CommentVar */
+code span.do { color: #a43340; } /* Documentation */
+code span.dt { color: #2980b9; } /* DataType */
+code span.dv { color: #f67400; } /* DecVal */
+code span.er { color: #da4453; } /* Error */
+code span.ex { color: #0099ff; } /* Extension */
+code span.fl { color: #f67400; } /* Float */
+code span.fu { color: #8e44ad; } /* Function */
+code span.im { color: #27ae60; } /* Import */
+code span.in { color: #c45b00; } /* Information */
+code span.kw { color: #cfcfc2; } /* Keyword */
+code span.op { color: #cfcfc2; } /* Operator */
+code span.ot { color: #27ae60; } /* Other */
+code span.pp { color: #27ae60; } /* Preprocessor */
+code span.re { color: #2980b9; } /* RegionMarker */
+code span.sc { color: #3daee9; } /* SpecialChar */
+code span.ss { color: #da4453; } /* SpecialString */
+code span.st { color: #f44f4f; } /* String */
+code span.va { color: #27aeae; } /* Variable */
+code span.vs { color: #da4453; } /* VerbatimString */
+code span.wa { color: #da4453; } /* Warning */
diff --git a/assets/stylesheets/espresso.css b/assets/stylesheets/espresso.css
new file mode 100644
index 0000000..318a41e
--- /dev/null
+++ b/assets/stylesheets/espresso.css
@@ -0,0 +1,73 @@
+/*  ==============================================================================
+                           Espresso (pandoc built-in style)                       
+    ==============================================================================
+    Style based on ultraviolet's "espresso_libre.css" (dark background):
+
+        https://github.com/spox/ultraviolet/
+
+    This stylesheet was produced using Pandoc v2.7.2.
+
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #2a211c;
+    color: #bdae9d;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #bdae9d;  padding-left: 4px; }
+div.sourceCode
+  { color: #bdae9d; background-color: #2a211c; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ffff00; } /* Alert */
+code span.an { color: #0066ff; font-weight: bold; font-style: italic; } /* Annotation */
+code span.at { } /* Attribute */
+code span.bn { color: #44aa43; } /* BaseN */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #43a8ed; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #049b0a; } /* Char */
+code span.cn { } /* Constant */
+code span.co { color: #0066ff; font-weight: bold; font-style: italic; } /* Comment */
+code span.do { color: #0066ff; font-style: italic; } /* Documentation */
+code span.dt { text-decoration: underline; } /* DataType */
+code span.dv { color: #44aa43; } /* DecVal */
+code span.er { color: #ffff00; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.fl { color: #44aa43; } /* Float */
+code span.fu { color: #ff9358; font-weight: bold; } /* Function */
+code span.im { } /* Import */
+code span.in { color: #0066ff; font-weight: bold; font-style: italic; } /* Information */
+code span.kw { color: #43a8ed; font-weight: bold; } /* Keyword */
+code span.op { } /* Operator */
+code span.pp { font-weight: bold; } /* Preprocessor */
+code span.sc { color: #049b0a; } /* SpecialChar */
+code span.ss { color: #049b0a; } /* SpecialString */
+code span.st { color: #049b0a; } /* String */
+code span.va { } /* Variable */
+code span.vs { color: #049b0a; } /* VerbatimString */
+code span.wa { color: #ffff00; font-weight: bold; } /* Warning */
diff --git a/assets/stylesheets/haddock.css b/assets/stylesheets/haddock.css
new file mode 100644
index 0000000..2e28958
--- /dev/null
+++ b/assets/stylesheets/haddock.css
@@ -0,0 +1,69 @@
+/*  ==============================================================================
+                           Haddock (pandoc built-in style)                        
+    ==============================================================================
+    Style based on Haddock's source highlighting:
+
+        https://www.haskell.org/haddock/
+
+    This stylesheet was produced using Pandoc v2.7.2.
+
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  {  }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ff0000; } /* Alert */
+code span.an { color: #008000; } /* Annotation */
+code span.at { } /* Attribute */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #0000ff; } /* ControlFlow */
+code span.ch { color: #008080; } /* Char */
+code span.cn { } /* Constant */
+code span.co { color: #008000; } /* Comment */
+code span.cv { color: #008000; } /* CommentVar */
+code span.do { color: #008000; } /* Documentation */
+code span.er { color: #ff0000; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.im { } /* Import */
+code span.in { color: #008000; } /* Information */
+code span.kw { color: #0000ff; } /* Keyword */
+code span.op { } /* Operator */
+code span.ot { color: #ff4000; } /* Other */
+code span.pp { color: #ff4000; } /* Preprocessor */
+code span.sc { color: #008080; } /* SpecialChar */
+code span.ss { color: #008080; } /* SpecialString */
+code span.st { color: #008080; } /* String */
+code span.va { } /* Variable */
+code span.vs { color: #008080; } /* VerbatimString */
+code span.wa { color: #008000; font-weight: bold; } /* Warning */
diff --git a/assets/stylesheets/kate.css b/assets/stylesheets/kate.css
new file mode 100644
index 0000000..3792063
--- /dev/null
+++ b/assets/stylesheets/kate.css
@@ -0,0 +1,75 @@
+/*  ==============================================================================
+                           Kate (pandoc built-in style)                         
+    ==============================================================================
+    Style based on Kate's default colors.
+  
+    This stylesheet was produced using Pandoc v2.7.2.
+  
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    background-color: #ffffff;
+    color: #a0a0a0;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #a0a0a0;  padding-left: 4px; }
+div.sourceCode
+  { color: #1f1c1b; background-color: #ffffff; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span. { color: #1f1c1b; } /* Normal */
+code span.al { color: #bf0303; background-color: #f7e6e6; font-weight: bold; } /* Alert */
+code span.an { color: #ca60ca; } /* Annotation */
+code span.at { color: #0057ae; } /* Attribute */
+code span.bn { color: #b08000; } /* BaseN */
+code span.bu { color: #644a9b; font-weight: bold; } /* BuiltIn */
+code span.cf { color: #1f1c1b; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #924c9d; } /* Char */
+code span.cn { color: #aa5500; } /* Constant */
+code span.co { color: #898887; } /* Comment */
+code span.cv { color: #0095ff; } /* CommentVar */
+code span.do { color: #607880; } /* Documentation */
+code span.dt { color: #0057ae; } /* DataType */
+code span.dv { color: #b08000; } /* DecVal */
+code span.er { color: #bf0303; text-decoration: underline; } /* Error */
+code span.ex { color: #0095ff; font-weight: bold; } /* Extension */
+code span.fl { color: #b08000; } /* Float */
+code span.fu { color: #644a9b; } /* Function */
+code span.im { color: #ff5500; } /* Import */
+code span.in { color: #b08000; } /* Information */
+code span.kw { color: #1f1c1b; font-weight: bold; } /* Keyword */
+code span.op { color: #1f1c1b; } /* Operator */
+code span.ot { color: #006e28; } /* Other */
+code span.pp { color: #006e28; } /* Preprocessor */
+code span.re { color: #0057ae; background-color: #e0e9f8; } /* RegionMarker */
+code span.sc { color: #3daee9; } /* SpecialChar */
+code span.ss { color: #ff5500; } /* SpecialString */
+code span.st { color: #bf0303; } /* String */
+code span.va { color: #0057ae; } /* Variable */
+code span.vs { color: #bf0303; } /* VerbatimString */
+code span.wa { color: #bf0303; } /* Warning */
diff --git a/assets/stylesheets/monochrome.css b/assets/stylesheets/monochrome.css
new file mode 100644
index 0000000..f931594
--- /dev/null
+++ b/assets/stylesheets/monochrome.css
@@ -0,0 +1,54 @@
+/*  ==============================================================================
+                        Monochrome (pandoc built-in style)                      
+    ==============================================================================
+    Style with no colors.
+  
+    This stylesheet was produced using Pandoc v2.7.2.
+  
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+  }
+pre.numberSource { margin-left: 3em;  padding-left: 4px; }
+div.sourceCode
+  {  }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { font-weight: bold; } /* Alert */
+code span.an { font-style: italic; } /* Annotation */
+code span.cf { font-weight: bold; } /* ControlFlow */
+code span.co { font-style: italic; } /* Comment */
+code span.cv { font-style: italic; } /* CommentVar */
+code span.do { font-style: italic; } /* Documentation */
+code span.dt { text-decoration: underline; } /* DataType */
+code span.er { font-weight: bold; } /* Error */
+code span.in { font-style: italic; } /* Information */
+code span.kw { font-weight: bold; } /* Keyword */
+code span.pp { font-weight: bold; } /* Preprocessor */
+code span.wa { font-style: italic; } /* Warning */
diff --git a/assets/stylesheets/pygments.css b/assets/stylesheets/pygments.css
new file mode 100644
index 0000000..0feb7fb
--- /dev/null
+++ b/assets/stylesheets/pygments.css
@@ -0,0 +1,72 @@
+/*  ==============================================================================
+                         Pygments (pandoc built-in style)                       
+    ==============================================================================
+    Style based on Pygments' default colors.
+  
+    This stylesheet was produced using Pandoc v2.7.2.
+  
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  {  }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ff0000; font-weight: bold; } /* Alert */
+code span.an { color: #60a0b0; font-weight: bold; font-style: italic; } /* Annotation */
+code span.at { color: #7d9029; } /* Attribute */
+code span.bn { color: #40a070; } /* BaseN */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #007020; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #4070a0; } /* Char */
+code span.cn { color: #880000; } /* Constant */
+code span.co { color: #60a0b0; font-style: italic; } /* Comment */
+code span.cv { color: #60a0b0; font-weight: bold; font-style: italic; } /* CommentVar */
+code span.do { color: #ba2121; font-style: italic; } /* Documentation */
+code span.dt { color: #902000; } /* DataType */
+code span.dv { color: #40a070; } /* DecVal */
+code span.er { color: #ff0000; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.fl { color: #40a070; } /* Float */
+code span.fu { color: #06287e; } /* Function */
+code span.im { } /* Import */
+code span.in { color: #60a0b0; font-weight: bold; font-style: italic; } /* Information */
+code span.kw { color: #007020; font-weight: bold; } /* Keyword */
+code span.op { color: #666666; } /* Operator */
+code span.ot { color: #007020; } /* Other */
+code span.pp { color: #bc7a00; } /* Preprocessor */
+code span.sc { color: #4070a0; } /* SpecialChar */
+code span.ss { color: #bb6688; } /* SpecialString */
+code span.st { color: #4070a0; } /* String */
+code span.va { color: #19177c; } /* Variable */
+code span.vs { color: #4070a0; } /* VerbatimString */
+code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
diff --git a/assets/stylesheets/tango.css b/assets/stylesheets/tango.css
new file mode 100644
index 0000000..473405f
--- /dev/null
+++ b/assets/stylesheets/tango.css
@@ -0,0 +1,71 @@
+/*  ==============================================================================
+                          Tango (pandoc built-in style)                         
+    ==============================================================================
+    Style based on Pygments' "tango" colors.
+  
+    This stylesheet was produced using Pandoc v2.7.2.
+  
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+    color: #aaaaaa;
+  }
+pre.numberSource { margin-left: 3em; border-left: 1px solid #aaaaaa;  padding-left: 4px; }
+div.sourceCode
+  { background-color: #f8f8f8; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ef2929; } /* Alert */
+code span.an { color: #8f5902; font-weight: bold; font-style: italic; } /* Annotation */
+code span.at { color: #c4a000; } /* Attribute */
+code span.bn { color: #0000cf; } /* BaseN */
+code span.cf { color: #204a87; font-weight: bold; } /* ControlFlow */
+code span.ch { color: #4e9a06; } /* Char */
+code span.cn { color: #000000; } /* Constant */
+code span.co { color: #8f5902; font-style: italic; } /* Comment */
+code span.cv { color: #8f5902; font-weight: bold; font-style: italic; } /* CommentVar */
+code span.do { color: #8f5902; font-weight: bold; font-style: italic; } /* Documentation */
+code span.dt { color: #204a87; } /* DataType */
+code span.dv { color: #0000cf; } /* DecVal */
+code span.er { color: #a40000; font-weight: bold; } /* Error */
+code span.ex { } /* Extension */
+code span.fl { color: #0000cf; } /* Float */
+code span.fu { color: #000000; } /* Function */
+code span.im { } /* Import */
+code span.in { color: #8f5902; font-weight: bold; font-style: italic; } /* Information */
+code span.kw { color: #204a87; font-weight: bold; } /* Keyword */
+code span.op { color: #ce5c00; font-weight: bold; } /* Operator */
+code span.ot { color: #8f5902; } /* Other */
+code span.pp { color: #8f5902; font-style: italic; } /* Preprocessor */
+code span.sc { color: #000000; } /* SpecialChar */
+code span.ss { color: #4e9a06; } /* SpecialString */
+code span.st { color: #4e9a06; } /* String */
+code span.va { color: #000000; } /* Variable */
+code span.vs { color: #4e9a06; } /* VerbatimString */
+code span.wa { color: #8f5902; font-weight: bold; font-style: italic; } /* Warning */
diff --git a/assets/stylesheets/zenburn.css b/assets/stylesheets/zenburn.css
new file mode 100644
index 0000000..96e3e1e
--- /dev/null
+++ b/assets/stylesheets/zenburn.css
@@ -0,0 +1,73 @@
+/*  ==============================================================================
+                           Zenburn (pandoc built-in style)                        
+    ==============================================================================
+    Style based on the popular "Zenburn" Vim color scheme:
+
+        http://kippura.org/zenburnpage/
+
+    This stylesheet was produced using Pandoc v2.7.2.
+
+    Pandoc is (c) 2006-2017 John MacFarlane (jgm@berkeley.edu).
+    Released under the GPL, version 2 or greater. 
+    ------------------------------------------------------------------------------
+*/
+a.sourceLine { display: inline-block; line-height: 1.25; }
+a.sourceLine { pointer-events: none; color: inherit; text-decoration: inherit; }
+a.sourceLine:empty { height: 1.2em; }
+.sourceCode { overflow: visible; }
+code.sourceCode { white-space: pre; position: relative; }
+div.sourceCode { margin: 1em 0; }
+pre.sourceCode { margin: 0; }
+@media screen {
+div.sourceCode { overflow: auto; }
+}
+@media print {
+code.sourceCode { white-space: pre-wrap; }
+a.sourceLine { text-indent: -1em; padding-left: 1em; }
+}
+pre.numberSource a.sourceLine
+  { position: relative; left: -4em; }
+pre.numberSource a.sourceLine::before
+  { content: attr(title);
+    position: relative; left: -1em; text-align: right; vertical-align: baseline;
+    border: none; pointer-events: all; display: inline-block;
+    -webkit-touch-callout: none; -webkit-user-select: none;
+    -khtml-user-select: none; -moz-user-select: none;
+    -ms-user-select: none; user-select: none;
+    padding: 0 4px; width: 4em;
+  }
+pre.numberSource { margin-left: 3em;  padding-left: 4px; }
+div.sourceCode
+  { color: #cccccc; background-color: #303030; }
+@media screen {
+a.sourceLine::before { text-decoration: underline; }
+}
+code span.al { color: #ffcfaf; } /* Alert */
+code span.an { color: #7f9f7f; font-weight: bold; } /* Annotation */
+code span.at { } /* Attribute */
+code span.bn { color: #dca3a3; } /* BaseN */
+code span.bu { } /* BuiltIn */
+code span.cf { color: #f0dfaf; } /* ControlFlow */
+code span.ch { color: #dca3a3; } /* Char */
+code span.cn { color: #dca3a3; font-weight: bold; } /* Constant */
+code span.co { color: #7f9f7f; } /* Comment */
+code span.cv { color: #7f9f7f; font-weight: bold; } /* CommentVar */
+code span.do { color: #7f9f7f; } /* Documentation */
+code span.dt { color: #dfdfbf; } /* DataType */
+code span.dv { color: #dcdccc; } /* DecVal */
+code span.er { color: #c3bf9f; } /* Error */
+code span.ex { } /* Extension */
+code span.fl { color: #c0bed1; } /* Float */
+code span.fu { color: #efef8f; } /* Function */
+code span.im { } /* Import */
+code span.in { color: #7f9f7f; font-weight: bold; } /* Information */
+code span.kw { color: #f0dfaf; } /* Keyword */
+code span.op { color: #f0efd0; } /* Operator */
+code span.ot { color: #efef8f; } /* Other */
+code span.pp { color: #ffcfaf; font-weight: bold; } /* Preprocessor */
+code span.sc { color: #dca3a3; } /* SpecialChar */
+code span.ss { color: #cc9393; } /* SpecialString */
+code span.st { color: #cc9393; } /* String */
+code span.va { } /* Variable */
+code span.vs { color: #cc9393; } /* VerbatimString */
+code span.wa { color: #7f9f7f; font-weight: bold; } /* Warning */