diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2c8dbe4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "github-markdown-css"]
+	path = github-markdown-css
+	url = https://github.com/sindresorhus/github-markdown-css.git
diff --git a/github-markdown-css b/github-markdown-css
new file mode 160000
index 0000000..1485dd7
--- /dev/null
+++ b/github-markdown-css
@@ -0,0 +1 @@
+Subproject commit 1485dd78f5e744ef36e946e5ae44838e3906f9d8
diff --git a/public/css/github-markdown.css b/public/css/github-markdown.css
new file mode 100644
index 0000000..7c6cd78
--- /dev/null
+++ b/public/css/github-markdown.css
@@ -0,0 +1,985 @@
+.markdown-body .octicon {
+  display: inline-block;
+  fill: currentColor;
+  vertical-align: text-bottom;
+}
+
+.markdown-body .anchor {
+  float: left;
+  line-height: 1;
+  margin-left: -20px;
+  padding-right: 4px;
+}
+
+.markdown-body .anchor:focus {
+  outline: none;
+}
+
+.markdown-body h1 .octicon-link,
+.markdown-body h2 .octicon-link,
+.markdown-body h3 .octicon-link,
+.markdown-body h4 .octicon-link,
+.markdown-body h5 .octicon-link,
+.markdown-body h6 .octicon-link {
+  color: #1b1f23;
+  vertical-align: middle;
+  visibility: hidden;
+}
+
+.markdown-body h1:hover .anchor,
+.markdown-body h2:hover .anchor,
+.markdown-body h3:hover .anchor,
+.markdown-body h4:hover .anchor,
+.markdown-body h5:hover .anchor,
+.markdown-body h6:hover .anchor {
+  text-decoration: none;
+}
+
+.markdown-body h1:hover .anchor .octicon-link,
+.markdown-body h2:hover .anchor .octicon-link,
+.markdown-body h3:hover .anchor .octicon-link,
+.markdown-body h4:hover .anchor .octicon-link,
+.markdown-body h5:hover .anchor .octicon-link,
+.markdown-body h6:hover .anchor .octicon-link {
+  visibility: visible;
+}
+
+.markdown-body h1:hover .anchor .octicon-link:before,
+.markdown-body h2:hover .anchor .octicon-link:before,
+.markdown-body h3:hover .anchor .octicon-link:before,
+.markdown-body h4:hover .anchor .octicon-link:before,
+.markdown-body h5:hover .anchor .octicon-link:before,
+.markdown-body h6:hover .anchor .octicon-link:before {
+  width: 16px;
+  height: 16px;
+  content: ' ';
+  display: inline-block;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' width='16' height='16' aria-hidden='true'%3E%3Cpath fill-rule='evenodd' d='M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z'%3E%3C/path%3E%3C/svg%3E");
+}.markdown-body {
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+  line-height: 1.5;
+  color: #24292e;
+  font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;
+  font-size: 16px;
+  line-height: 1.5;
+  word-wrap: break-word;
+}
+
+.markdown-body details {
+  display: block;
+}
+
+.markdown-body summary {
+  display: list-item;
+}
+
+.markdown-body a {
+  background-color: initial;
+}
+
+.markdown-body a:active,
+.markdown-body a:hover {
+  outline-width: 0;
+}
+
+.markdown-body strong {
+  font-weight: inherit;
+  font-weight: bolder;
+}
+
+.markdown-body h1 {
+  font-size: 2em;
+  margin: .67em 0;
+}
+
+.markdown-body img {
+  border-style: none;
+}
+
+.markdown-body code,
+.markdown-body kbd,
+.markdown-body pre {
+  font-family: monospace,monospace;
+  font-size: 1em;
+}
+
+.markdown-body hr {
+  box-sizing: initial;
+  height: 0;
+  overflow: visible;
+}
+
+.markdown-body input {
+  font: inherit;
+  margin: 0;
+}
+
+.markdown-body input {
+  overflow: visible;
+}
+
+.markdown-body [type=checkbox] {
+  box-sizing: border-box;
+  padding: 0;
+}
+
+.markdown-body * {
+  box-sizing: border-box;
+}
+
+.markdown-body input {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+
+.markdown-body a {
+  color: #0366d6;
+  text-decoration: none;
+}
+
+.markdown-body a:hover {
+  text-decoration: underline;
+}
+
+.markdown-body strong {
+  font-weight: 600;
+}
+
+.markdown-body hr {
+  height: 0;
+  margin: 15px 0;
+  overflow: hidden;
+  background: transparent;
+  border: 0;
+  border-bottom: 1px solid #dfe2e5;
+}
+
+.markdown-body hr:after,
+.markdown-body hr:before {
+  display: table;
+  content: "";
+}
+
+.markdown-body hr:after {
+  clear: both;
+}
+
+.markdown-body table {
+  border-spacing: 0;
+  border-collapse: collapse;
+}
+
+.markdown-body td,
+.markdown-body th {
+  padding: 0;
+}
+
+.markdown-body details summary {
+  cursor: pointer;
+}
+
+.markdown-body kbd {
+  display: inline-block;
+  padding: 3px 5px;
+  font: 11px SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  line-height: 10px;
+  color: #444d56;
+  vertical-align: middle;
+  background-color: #fafbfc;
+  border: 1px solid #d1d5da;
+  border-radius: 3px;
+  box-shadow: inset 0 -1px 0 #d1d5da;
+}
+
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3,
+.markdown-body h4,
+.markdown-body h5,
+.markdown-body h6 {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body h1 {
+  font-size: 32px;
+}
+
+.markdown-body h1,
+.markdown-body h2 {
+  font-weight: 600;
+}
+
+.markdown-body h2 {
+  font-size: 24px;
+}
+
+.markdown-body h3 {
+  font-size: 20px;
+}
+
+.markdown-body h3,
+.markdown-body h4 {
+  font-weight: 600;
+}
+
+.markdown-body h4 {
+  font-size: 16px;
+}
+
+.markdown-body h5 {
+  font-size: 14px;
+}
+
+.markdown-body h5,
+.markdown-body h6 {
+  font-weight: 600;
+}
+
+.markdown-body h6 {
+  font-size: 12px;
+}
+
+.markdown-body p {
+  margin-top: 0;
+  margin-bottom: 10px;
+}
+
+.markdown-body blockquote {
+  margin: 0;
+}
+
+.markdown-body ol,
+.markdown-body ul {
+  padding-left: 0;
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body ol ol,
+.markdown-body ul ol {
+  list-style-type: lower-roman;
+}
+
+.markdown-body ol ol ol,
+.markdown-body ol ul ol,
+.markdown-body ul ol ol,
+.markdown-body ul ul ol {
+  list-style-type: lower-alpha;
+}
+
+.markdown-body dd {
+  margin-left: 0;
+}
+
+.markdown-body code,
+.markdown-body pre {
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+}
+
+.markdown-body pre {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body input::-webkit-inner-spin-button,
+.markdown-body input::-webkit-outer-spin-button {
+  margin: 0;
+  -webkit-appearance: none;
+  appearance: none;
+}
+
+.markdown-body :checked+.radio-label {
+  position: relative;
+  z-index: 1;
+  border-color: #0366d6;
+}
+
+.markdown-body .border {
+  border: 1px solid #e1e4e8!important;
+}
+
+.markdown-body .border-0 {
+  border: 0!important;
+}
+
+.markdown-body .border-bottom {
+  border-bottom: 1px solid #e1e4e8!important;
+}
+
+.markdown-body .rounded-1 {
+  border-radius: 3px!important;
+}
+
+.markdown-body .bg-white {
+  background-color: #fff!important;
+}
+
+.markdown-body .bg-gray-light {
+  background-color: #fafbfc!important;
+}
+
+.markdown-body .text-gray-light {
+  color: #6a737d!important;
+}
+
+.markdown-body .mb-0 {
+  margin-bottom: 0!important;
+}
+
+.markdown-body .my-2 {
+  margin-top: 8px!important;
+  margin-bottom: 8px!important;
+}
+
+.markdown-body .pl-0 {
+  padding-left: 0!important;
+}
+
+.markdown-body .py-0 {
+  padding-top: 0!important;
+  padding-bottom: 0!important;
+}
+
+.markdown-body .pl-1 {
+  padding-left: 4px!important;
+}
+
+.markdown-body .pl-2 {
+  padding-left: 8px!important;
+}
+
+.markdown-body .py-2 {
+  padding-top: 8px!important;
+  padding-bottom: 8px!important;
+}
+
+.markdown-body .pl-3,
+.markdown-body .px-3 {
+  padding-left: 16px!important;
+}
+
+.markdown-body .px-3 {
+  padding-right: 16px!important;
+}
+
+.markdown-body .pl-4 {
+  padding-left: 24px!important;
+}
+
+.markdown-body .pl-5 {
+  padding-left: 32px!important;
+}
+
+.markdown-body .pl-6 {
+  padding-left: 40px!important;
+}
+
+.markdown-body .f6 {
+  font-size: 12px!important;
+}
+
+.markdown-body .lh-condensed {
+  line-height: 1.25!important;
+}
+
+.markdown-body .text-bold {
+  font-weight: 600!important;
+}
+
+.markdown-body .pl-c {
+  color: #6a737d;
+}
+
+.markdown-body .pl-c1,
+.markdown-body .pl-s .pl-v {
+  color: #005cc5;
+}
+
+.markdown-body .pl-e,
+.markdown-body .pl-en {
+  color: #6f42c1;
+}
+
+.markdown-body .pl-s .pl-s1,
+.markdown-body .pl-smi {
+  color: #24292e;
+}
+
+.markdown-body .pl-ent {
+  color: #22863a;
+}
+
+.markdown-body .pl-k {
+  color: #d73a49;
+}
+
+.markdown-body .pl-pds,
+.markdown-body .pl-s,
+.markdown-body .pl-s .pl-pse .pl-s1,
+.markdown-body .pl-sr,
+.markdown-body .pl-sr .pl-cce,
+.markdown-body .pl-sr .pl-sra,
+.markdown-body .pl-sr .pl-sre {
+  color: #032f62;
+}
+
+.markdown-body .pl-smw,
+.markdown-body .pl-v {
+  color: #e36209;
+}
+
+.markdown-body .pl-bu {
+  color: #b31d28;
+}
+
+.markdown-body .pl-ii {
+  color: #fafbfc;
+  background-color: #b31d28;
+}
+
+.markdown-body .pl-c2 {
+  color: #fafbfc;
+  background-color: #d73a49;
+}
+
+.markdown-body .pl-c2:before {
+  content: "^M";
+}
+
+.markdown-body .pl-sr .pl-cce {
+  font-weight: 700;
+  color: #22863a;
+}
+
+.markdown-body .pl-ml {
+  color: #735c0f;
+}
+
+.markdown-body .pl-mh,
+.markdown-body .pl-mh .pl-en,
+.markdown-body .pl-ms {
+  font-weight: 700;
+  color: #005cc5;
+}
+
+.markdown-body .pl-mi {
+  font-style: italic;
+  color: #24292e;
+}
+
+.markdown-body .pl-mb {
+  font-weight: 700;
+  color: #24292e;
+}
+
+.markdown-body .pl-md {
+  color: #b31d28;
+  background-color: #ffeef0;
+}
+
+.markdown-body .pl-mi1 {
+  color: #22863a;
+  background-color: #f0fff4;
+}
+
+.markdown-body .pl-mc {
+  color: #e36209;
+  background-color: #ffebda;
+}
+
+.markdown-body .pl-mi2 {
+  color: #f6f8fa;
+  background-color: #005cc5;
+}
+
+.markdown-body .pl-mdr {
+  font-weight: 700;
+  color: #6f42c1;
+}
+
+.markdown-body .pl-ba {
+  color: #586069;
+}
+
+.markdown-body .pl-sg {
+  color: #959da5;
+}
+
+.markdown-body .pl-corl {
+  text-decoration: underline;
+  color: #032f62;
+}
+
+.markdown-body .mb-0 {
+  margin-bottom: 0!important;
+}
+
+.markdown-body .my-2 {
+  margin-bottom: 8px!important;
+}
+
+.markdown-body .my-2 {
+  margin-top: 8px!important;
+}
+
+.markdown-body .pl-0 {
+  padding-left: 0!important;
+}
+
+.markdown-body .py-0 {
+  padding-top: 0!important;
+  padding-bottom: 0!important;
+}
+
+.markdown-body .pl-1 {
+  padding-left: 4px!important;
+}
+
+.markdown-body .pl-2 {
+  padding-left: 8px!important;
+}
+
+.markdown-body .py-2 {
+  padding-top: 8px!important;
+  padding-bottom: 8px!important;
+}
+
+.markdown-body .pl-3 {
+  padding-left: 16px!important;
+}
+
+.markdown-body .pl-4 {
+  padding-left: 24px!important;
+}
+
+.markdown-body .pl-5 {
+  padding-left: 32px!important;
+}
+
+.markdown-body .pl-6 {
+  padding-left: 40px!important;
+}
+
+.markdown-body .pl-7 {
+  padding-left: 48px!important;
+}
+
+.markdown-body .pl-8 {
+  padding-left: 64px!important;
+}
+
+.markdown-body .pl-9 {
+  padding-left: 80px!important;
+}
+
+.markdown-body .pl-10 {
+  padding-left: 96px!important;
+}
+
+.markdown-body .pl-11 {
+  padding-left: 112px!important;
+}
+
+.markdown-body .pl-12 {
+  padding-left: 128px!important;
+}
+
+.markdown-body hr {
+  border-bottom-color: #eee;
+}
+
+.markdown-body kbd {
+  display: inline-block;
+  padding: 3px 5px;
+  font: 11px SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  line-height: 10px;
+  color: #444d56;
+  vertical-align: middle;
+  background-color: #fafbfc;
+  border: 1px solid #d1d5da;
+  border-radius: 3px;
+  box-shadow: inset 0 -1px 0 #d1d5da;
+}
+
+.markdown-body:after,
+.markdown-body:before {
+  display: table;
+  content: "";
+}
+
+.markdown-body:after {
+  clear: both;
+}
+
+.markdown-body>:first-child {
+  margin-top: 0!important;
+}
+
+.markdown-body>:last-child {
+  margin-bottom: 0!important;
+}
+
+.markdown-body a:not([href]) {
+  color: inherit;
+  text-decoration: none;
+}
+
+.markdown-body blockquote,
+.markdown-body details,
+.markdown-body dl,
+.markdown-body ol,
+.markdown-body p,
+.markdown-body pre,
+.markdown-body table,
+.markdown-body ul {
+  margin-top: 0;
+  margin-bottom: 16px;
+}
+
+.markdown-body hr {
+  height: .25em;
+  padding: 0;
+  margin: 24px 0;
+  background-color: #e1e4e8;
+  border: 0;
+}
+
+.markdown-body blockquote {
+  padding: 0 1em;
+  color: #6a737d;
+  border-left: .25em solid #dfe2e5;
+}
+
+.markdown-body blockquote>:first-child {
+  margin-top: 0;
+}
+
+.markdown-body blockquote>:last-child {
+  margin-bottom: 0;
+}
+
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3,
+.markdown-body h4,
+.markdown-body h5,
+.markdown-body h6 {
+  margin-top: 24px;
+  margin-bottom: 16px;
+  font-weight: 600;
+  line-height: 1.25;
+}
+
+.markdown-body h1 {
+  font-size: 2em;
+}
+
+.markdown-body h1,
+.markdown-body h2 {
+  padding-bottom: .3em;
+  border-bottom: 1px solid #eaecef;
+}
+
+.markdown-body h2 {
+  font-size: 1.5em;
+}
+
+.markdown-body h3 {
+  font-size: 1.25em;
+}
+
+.markdown-body h4 {
+  font-size: 1em;
+}
+
+.markdown-body h5 {
+  font-size: .875em;
+}
+
+.markdown-body h6 {
+  font-size: .85em;
+  color: #6a737d;
+}
+
+.markdown-body ol,
+.markdown-body ul {
+  padding-left: 2em;
+}
+
+.markdown-body ol ol,
+.markdown-body ol ul,
+.markdown-body ul ol,
+.markdown-body ul ul {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+.markdown-body li {
+  word-wrap: break-all;
+}
+
+.markdown-body li>p {
+  margin-top: 16px;
+}
+
+.markdown-body li+li {
+  margin-top: .25em;
+}
+
+.markdown-body dl {
+  padding: 0;
+}
+
+.markdown-body dl dt {
+  padding: 0;
+  margin-top: 16px;
+  font-size: 1em;
+  font-style: italic;
+  font-weight: 600;
+}
+
+.markdown-body dl dd {
+  padding: 0 16px;
+  margin-bottom: 16px;
+}
+
+.markdown-body table {
+  display: block;
+  width: 100%;
+  overflow: auto;
+}
+
+.markdown-body table th {
+  font-weight: 600;
+}
+
+.markdown-body table td,
+.markdown-body table th {
+  padding: 6px 13px;
+  border: 1px solid #dfe2e5;
+}
+
+.markdown-body table tr {
+  background-color: #fff;
+  border-top: 1px solid #c6cbd1;
+}
+
+.markdown-body table tr:nth-child(2n) {
+  background-color: #f6f8fa;
+}
+
+.markdown-body img {
+  max-width: 100%;
+  box-sizing: initial;
+  background-color: #fff;
+}
+
+.markdown-body img[align=right] {
+  padding-left: 20px;
+}
+
+.markdown-body img[align=left] {
+  padding-right: 20px;
+}
+
+.markdown-body code {
+  padding: .2em .4em;
+  margin: 0;
+  font-size: 85%;
+  background-color: rgba(27,31,35,.05);
+  border-radius: 3px;
+}
+
+.markdown-body pre {
+  word-wrap: normal;
+}
+
+.markdown-body pre>code {
+  padding: 0;
+  margin: 0;
+  font-size: 100%;
+  word-break: normal;
+  white-space: pre;
+  background: transparent;
+  border: 0;
+}
+
+.markdown-body .highlight {
+  margin-bottom: 16px;
+}
+
+.markdown-body .highlight pre {
+  margin-bottom: 0;
+  word-break: normal;
+}
+
+.markdown-body .highlight pre,
+.markdown-body pre {
+  padding: 16px;
+  overflow: auto;
+  font-size: 85%;
+  line-height: 1.45;
+  background-color: #f6f8fa;
+  border-radius: 3px;
+}
+
+.markdown-body pre code {
+  display: inline;
+  max-width: auto;
+  padding: 0;
+  margin: 0;
+  overflow: visible;
+  line-height: inherit;
+  word-wrap: normal;
+  background-color: initial;
+  border: 0;
+}
+
+.markdown-body .commit-tease-sha {
+  display: inline-block;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 90%;
+  color: #444d56;
+}
+
+.markdown-body .full-commit .btn-outline:not(:disabled):hover {
+  color: #005cc5;
+  border-color: #005cc5;
+}
+
+.markdown-body .blob-wrapper {
+  overflow-x: auto;
+  overflow-y: hidden;
+}
+
+.markdown-body .blob-wrapper-embedded {
+  max-height: 240px;
+  overflow-y: auto;
+}
+
+.markdown-body .blob-num {
+  width: 1%;
+  min-width: 50px;
+  padding-right: 10px;
+  padding-left: 10px;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+  line-height: 20px;
+  color: rgba(27,31,35,.3);
+  text-align: right;
+  white-space: nowrap;
+  vertical-align: top;
+  cursor: pointer;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+
+.markdown-body .blob-num:hover {
+  color: rgba(27,31,35,.6);
+}
+
+.markdown-body .blob-num:before {
+  content: attr(data-line-number);
+}
+
+.markdown-body .blob-code {
+  position: relative;
+  padding-right: 10px;
+  padding-left: 10px;
+  line-height: 20px;
+  vertical-align: top;
+}
+
+.markdown-body .blob-code-inner {
+  overflow: visible;
+  font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+  font-size: 12px;
+  color: #24292e;
+  word-wrap: normal;
+  white-space: pre;
+}
+
+.markdown-body .pl-token.active,
+.markdown-body .pl-token:hover {
+  cursor: pointer;
+  background: #ffea7f;
+}
+
+.markdown-body .tab-size[data-tab-size="1"] {
+  -moz-tab-size: 1;
+  tab-size: 1;
+}
+
+.markdown-body .tab-size[data-tab-size="2"] {
+  -moz-tab-size: 2;
+  tab-size: 2;
+}
+
+.markdown-body .tab-size[data-tab-size="3"] {
+  -moz-tab-size: 3;
+  tab-size: 3;
+}
+
+.markdown-body .tab-size[data-tab-size="4"] {
+  -moz-tab-size: 4;
+  tab-size: 4;
+}
+
+.markdown-body .tab-size[data-tab-size="5"] {
+  -moz-tab-size: 5;
+  tab-size: 5;
+}
+
+.markdown-body .tab-size[data-tab-size="6"] {
+  -moz-tab-size: 6;
+  tab-size: 6;
+}
+
+.markdown-body .tab-size[data-tab-size="7"] {
+  -moz-tab-size: 7;
+  tab-size: 7;
+}
+
+.markdown-body .tab-size[data-tab-size="8"] {
+  -moz-tab-size: 8;
+  tab-size: 8;
+}
+
+.markdown-body .tab-size[data-tab-size="9"] {
+  -moz-tab-size: 9;
+  tab-size: 9;
+}
+
+.markdown-body .tab-size[data-tab-size="10"] {
+  -moz-tab-size: 10;
+  tab-size: 10;
+}
+
+.markdown-body .tab-size[data-tab-size="11"] {
+  -moz-tab-size: 11;
+  tab-size: 11;
+}
+
+.markdown-body .tab-size[data-tab-size="12"] {
+  -moz-tab-size: 12;
+  tab-size: 12;
+}
+
+.markdown-body .task-list-item {
+  list-style-type: none;
+}
+
+.markdown-body .task-list-item+.task-list-item {
+  margin-top: 3px;
+}
+
+.markdown-body .task-list-item input {
+  margin: 0 .2em .25em -1.6em;
+  vertical-align: middle;
+}
diff --git a/public/css/github.css b/public/css/github.css
deleted file mode 100644
index 0d046ee..0000000
--- a/public/css/github.css
+++ /dev/null
@@ -1,290 +0,0 @@
-@charset "UTF-8";
-
-.markdown-body {
-  font-size: 14px;
-  line-height: 1.6;
-  overflow: hidden
-}
-.markdown-body>*: first-child {
-  margin-top: 0 !important
-}
-.markdown-body>*: last-child {
-  margin-bottom: 0 !important
-}
-.markdown-body a.absent {
-  color: #c00
-}
-.markdown-body a.anchor {
-  display: block;
-  padding-left: 30px;
-  margin-left: -30px;
-  cursor: pointer;
-  position: absolute;
-  top: 0;
-  left: 0;
-  bottom: 0
-}
-.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6 {
-  margin: 20px 0 10px;
-  padding: 0;
-  font-weight: bold;
-  -webkit-font-smoothing: antialiased;
-  cursor: text;
-  position: relative
-}
-.markdown-body h1 .mini-icon-link,.markdown-body h2 .mini-icon-link,.markdown-body h3 .mini-icon-link,.markdown-body h4 .mini-icon-link,.markdown-body h5 .mini-icon-link,.markdown-body h6 .mini-icon-link {
-  display: none;
-  color: #000
-}
-.markdown-body h1: hover a.anchor,.markdown-body h2: hover a.anchor,.markdown-body h3: hover a.anchor,.markdown-body h4: hover a.anchor,.markdown-body h5: hover a.anchor,.markdown-body h6: hover a.anchor {
-  text-decoration: none;
-  line-height: 1;
-  padding-left: 0;
-  margin-left: -22px;
-  top: 15%
-}
-.markdown-body h1: hover a.anchor .mini-icon-link,.markdown-body h2: hover a.anchor .mini-icon-link,.markdown-body h3: hover a.anchor .mini-icon-link,.markdown-body h4: hover a.anchor .mini-icon-link,.markdown-body h5: hover a.anchor .mini-icon-link,.markdown-body h6: hover a.anchor .mini-icon-link {
-  display: inline-block
-}
-.markdown-body h1 tt,.markdown-body h1 code,.markdown-body h2 tt,.markdown-body h2 code,.markdown-body h3 tt,.markdown-body h3 code,.markdown-body h4 tt,.markdown-body h4 code,.markdown-body h5 tt,.markdown-body h5 code,.markdown-body h6 tt,.markdown-body h6 code {
-  font-size: inherit
-}
-.markdown-body h1 {
-  font-size: 28px;
-  color: #000
-}
-.markdown-body h2 {
-  font-size: 24px;
-  border-bottom: 1px solid #ccc;
-  color: #000
-}
-.markdown-body h3 {
-  font-size: 18px
-}
-.markdown-body h4 {
-  font-size: 16px
-}
-.markdown-body h5 {
-  font-size: 14px
-}
-.markdown-body h6 {
-  color: #777;
-  font-size: 14px
-}
-.markdown-body p,.markdown-body blockquote,.markdown-body ul,.markdown-body ol,.markdown-body dl,.markdown-body table,.markdown-body pre {
-  margin: 15px 0
-}
-.markdown-body hr {
-  background: transparent url("https: //a248.e.akamai.net/assets.github.com/assets/primer/markdown/dirty-shade-6ead57f83b0f117a80ba77232aff0673bfd71263.png") repeat-x 0 0;
-  border: 0 none;
-  color: #ccc;
-  height: 4px;
-  padding: 0
-}
-.markdown-body>h2: first-child,.markdown-body>h1: first-child,.markdown-body>h1: first-child+h2,.markdown-body>h3: first-child,.markdown-body>h4: first-child,.markdown-body>h5: first-child,.markdown-body>h6: first-child {
-  margin-top: 0;
-  padding-top: 0
-}
-.markdown-body a: first-child h1,.markdown-body a: first-child h2,.markdown-body a: first-child h3,.markdown-body a: first-child h4,.markdown-body a: first-child h5,.markdown-body a: first-child h6 {
-  margin-top: 0;
-  padding-top: 0
-}
-.markdown-body h1+p,.markdown-body h2+p,.markdown-body h3+p,.markdown-body h4+p,.markdown-body h5+p,.markdown-body h6+p {
-  margin-top: 0
-}
-.markdown-body li p.first {
-  display: inline-block
-}
-.markdown-body ul,.markdown-body ol {
-  padding-left: 30px
-}
-.markdown-body ul.no-list,.markdown-body ol.no-list {
-  list-style-type: none;
-  padding: 0
-}
-.markdown-body ul li>: first-child,.markdown-body ul li ul: first-of-type,.markdown-body ol li>: first-child,.markdown-body ol li ul: first-of-type {
-  margin-top: 0px
-}
-.markdown-body ul ul,.markdown-body ul ol,.markdown-body ol ol,.markdown-body ol ul {
-  margin-bottom: 0
-}
-.markdown-body dl {
-  padding: 0
-}
-.markdown-body dl dt {
-  font-size: 14px;
-  font-weight: bold;
-  font-style: italic;
-  padding: 0;
-  margin: 15px 0 5px
-}
-.markdown-body dl dt: first-child {
-  padding: 0
-}
-.markdown-body dl dt>: first-child {
-  margin-top: 0px
-}
-.markdown-body dl dt>: last-child {
-  margin-bottom: 0px
-}
-.markdown-body dl dd {
-  margin: 0 0 15px;
-  padding: 0 15px
-}
-.markdown-body dl dd>: first-child {
-  margin-top: 0px
-}
-.markdown-body dl dd>: last-child {
-  margin-bottom: 0px
-}
-.markdown-body blockquote {
-  border-left: 4px solid #DDD;
-  padding: 0 15px;
-  color: #777
-}
-.markdown-body blockquote>: first-child {
-  margin-top: 0px
-}
-.markdown-body blockquote>: last-child {
-  margin-bottom: 0px
-}
-.markdown-body table th {
-  font-weight: bold
-}
-.markdown-body table th,.markdown-body table td {
-  border: 1px solid #ccc;
-  padding: 6px 13px
-}
-.markdown-body table tr {
-  border-top: 1px solid #ccc;
-  background-color: #fff
-}
-.markdown-body table tr: nth-child(2n) {
-  background-color: #f8f8f8
-}
-.markdown-body img {
-  max-width: 100%;
-  -moz-box-sizing: border-box;
-  box-sizing: border-box
-}
-.markdown-body span.frame {
-  display: block;
-  overflow: hidden
-}
-.markdown-body span.frame>span {
-  border: 1px solid #ddd;
-  display: block;
-  float: left;
-  overflow: hidden;
-  margin: 13px 0 0;
-  padding: 7px;
-  width: auto
-}
-.markdown-body span.frame span img {
-  display: block;
-  float: left
-}
-.markdown-body span.frame span span {
-  clear: both;
-  color: #333;
-  display: block;
-  padding: 5px 0 0
-}
-.markdown-body span.align-center {
-  display: block;
-  overflow: hidden;
-  clear: both
-}
-.markdown-body span.align-center>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px auto 0;
-  text-align: center
-}
-.markdown-body span.align-center span img {
-  margin: 0 auto;
-  text-align: center
-}
-.markdown-body span.align-right {
-  display: block;
-  overflow: hidden;
-  clear: both
-}
-.markdown-body span.align-right>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px 0 0;
-  text-align: right
-}
-.markdown-body span.align-right span img {
-  margin: 0;
-  text-align: right
-}
-.markdown-body span.float-left {
-  display: block;
-  margin-right: 13px;
-  overflow: hidden;
-  float: left
-}
-.markdown-body span.float-left span {
-  margin: 13px 0 0
-}
-.markdown-body span.float-right {
-  display: block;
-  margin-left: 13px;
-  overflow: hidden;
-  float: right
-}
-.markdown-body span.float-right>span {
-  display: block;
-  overflow: hidden;
-  margin: 13px auto 0;
-  text-align: right
-}
-.markdown-body code,.markdown-body tt {
-  margin: 0 2px;
-  padding: 0px 5px;
-  border: 1px solid #eaeaea;
-  background-color: #f8f8f8;
-  border-radius: 3px
-}
-.markdown-body code {
-  white-space: nowrap
-}
-.markdown-body pre>code {
-  margin: 0;
-  padding: 0;
-  white-space: pre;
-  border: none;
-  background: transparent
-}
-.markdown-body .highlight pre,.markdown-body pre {
-  background-color: #f8f8f8;
-  border: 1px solid #ccc;
-  font-size: 13px;
-  line-height: 19px;
-  overflow: auto;
-  padding: 6px 10px;
-  border-radius: 3px
-}
-.markdown-body pre code,.markdown-body pre tt {
-  margin: 0;
-  padding: 0;
-  background-color: transparent;
-  border: none
-}
-
-.markdown-body a {
-  color: #4183c4;
-  text-decoration: none;
-}
-
-.markdown-body a:hover {
-  text-decoration: underline;
-}
-
-.markdown-body pre,
-.markdown-body code {
-  font-size: 12px;
-  font-family: Consolas, "Liberation Mono", Courier, monospace;
-}
diff --git a/public/css/style.css b/public/css/style.css
index 680b9e7..d863784 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -45,57 +45,6 @@ img {
   font-size: 1.5em;
 }
 
-ul#menu {
-  /*v2.*/
-  display: none;
-
-  margin: 0;
-  padding: 0;
-  list-style: none;
-}
-
-ul#menu li {
-  color: #999;
-  margin: 0;
-  margin-right: 5px;
-  padding: 10px;
-  list-style: none;
-  display: inline-block;
-  border-radius: 10px;
-}
-
-ul#menu a.edit li {
-  padding-left: 35px;
-  background: transparent url(../image/icon_edit_off.png) no-repeat 10px center;
-}
-
-ul#menu a.edit.active li {
-  background: transparent url(../image/icon_edit.png) no-repeat 10px center;
-}
-
-ul#menu a.preview li {
-  padding-left: 40px;
-  background: transparent url(../image/icon_preview_off.png) no-repeat 10px center;
-}
-
-ul#menu a.preview.active li {
-  background: transparent url(../image/icon_preview.png) no-repeat 10px center;
-}
-
-ul#menu li:hover {
-/*  text-decoration: underline;*/
-  -webkit-box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  border-radius: 4px;
-}
-
-ul#menu a.active li {
-  color: #fff;
-  -webkit-box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  box-shadow: inset 0 0 5px rgba(0,0,0, 0.4), rgba(255,255,255,0.1) 0 1px 0;
-  border-radius: 4px;
-}
-
 #container {
   min-height: 100%;
   height: auto !important;
@@ -119,29 +68,6 @@ ul#menu a.active li {
   vertical-align: top;
 }
 
-#content .mode ul.submenu {
-  display: none;
-  list-style: none;
-  margin: 0;
-  padding: 5px;
-  border-bottom: 1px solid #ddd;
-  background-color: #eee;
-}
-
-#content .mode ul.submenu li {
-  display: inline-block;
-  font-size: 12px;
-  font-weight: bold;
-  border-radius: 3px;
-  padding: 0 5px;
-  border: 1px solid #ddd;
-  background-color: #f3f3f3;
-}
-
-#content .mode ul.submenu li:hover {
-  text-decoration: underline;
-}
-
 #content .mode .content {
   padding: 10px;
 }
@@ -150,14 +76,6 @@ ul#menu a.active li {
   margin-left: 20px;
 }
 
-
-.section h2 {
-  color: #466964;
-  font-weight: bold;
-  font-size: 1.5em;
-  margin-bottom: 10px;
-}
-
 #leftColumn {
   float: left;
   width: 700px;
@@ -180,116 +98,7 @@ textarea#markdown {
   resize: vertical;
   outline: none;
 }
-
-/*
-#output {
-  background-color: #f8f8f8;
-  border: 2px solid #A7C4BB;
-  min-height: 100px;
-  padding: 10px;
-}
-
-#output p {
-  line-height: 1.3em;
-}
-
-#output h1,
-#output h2,
-#output h3,
-#output h4,
-#output h5,
-#output h6 {
-  font-weight: bold;
-  color: #000;
-}
-
-#output h1 {
-  font-size: 1.7em;
-}
-
-#output h2 {
-  font-size: 1.5em;
-}
-
-#output h3 {
-  font-size: 1em;
-}
-
-#output ol,
-#output ul {
-  margin: 0;
-}
-
-#output blockquote,
-#output pre {
-  margin: 0;
-  padding: 5px;
-  color: #g;
-  background-color: #eee;
-  border: 1px solid #ddd;
-  line-height: 1.5em;
-}
-
-#output code {
-  margin: 0;
-  padding: 0;
-  line-height: 1em;
-}
-*/
-
  
-table#reference {
-  width: 238px;
-  border: 1px #ddd solid;
-  border-collapse: collapse;
-  border-spacing: 0;
-}
-
-table#reference th {
-  border: #ddd solid;
-  border-width: 0 0 1px 1px;
-  background-color: #eee;
-  font-weight: bold;
-  line-height: 120%;
-  text-align: center;
-  padding: 5px;
-}
-
-table#reference td {
-  border: 1px #ddd solid;
-  border-width: 0 0 1px 1px;
-  text-align: center;
-  padding: 5px;
-}
-
-#reference p {
-  margin: 0;
-  padding: 0;
-}
-
-#reference ul, 
-#reference ol, 
-#reference blockquote {
-  margin: 0;
-  padding: 0;
-  padding-left: 0;
- list-style-position: inside;
-}
-
-#reference ul li,
-#reference ol li {
-  padding-left: 0;
-}
-
-#reference h1,
-#reference h2,
-#reference h3,
-#reference h4,
-#reference h5,
-#reference h6 {
-  font-weight: bold;
-  color: #000;
-}
 
 #footer {
   clear: both;
@@ -314,20 +123,4 @@ table#reference td {
 #footer #copyright a:hover {
   color: #fff;
   text-decoration: underline;
-}
-
-ul#shareLinks,
-ul#shareLinks li {
-  margin: 0;
-  padding: 0;
-  list-style: none;
-}
-
-ul#shareLinks li {
-  display: inline-block;
-  vertical-align: middle;
-}
-
-ul#shareLinks li.facebook {
-  margin-top: 10px;
-}
+}
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index 8782455..67b98f5 100644
--- a/public/index.html
+++ b/public/index.html
@@ -9,7 +9,7 @@
     <meta name="keywords" content="markdown,editor,github,live,preview,tutorial">
 
     <link rel="stylesheet" type="text/css" href="css/style.css">
-    <link rel="stylesheet" type="text/css" href="css/github.css">
+    <link rel="stylesheet" type="text/css" href="css/github-markdown.css">
     <link rel="icon" type="image/png" href="favicon.png">
 
     <script type="text/javascript" src="js/jquery-1.6.1.min.js"></script>
@@ -23,19 +23,12 @@
 
     <div id="header">
       <h1><a href="/">Markdown Live Preview</a></h1>
-      <ul id="menu">
-        <a href="javascript:void(null);" data-menu-id="edit" class="edit active"><li>Edit Markdown</li></a>
-        <a href="javascript:void(null);" class="preview" data-menu-id="preview"><li>HTML Preview</li></a>
-      </ul>
     </div>
 
     <div id="container">
       <div id="content" class="section">
 
         <div id="edit" class="mode">
-          <ul class="submenu">
-            <a href="javascript:void(null);" id="clearButton"><li>clear</li></a>
-          </ul>
           <div class="content">
             <textarea id="markdown">
 # Markdown syntax guide
@@ -89,9 +82,7 @@ You may be using [Markdown Live Preview](https://markdownlivepreview.com/).
 
 ## Inline code
 
-May the `Force` be with you
-
-</textarea>
+May the `Force` be with you</textarea>
           </div>
         </div>