diff --git a/App.vue b/App.vue
index d6599f751d0031c0fd2c1766c01f394a743e5f2c..f18434167ab635c5b69d82e368ac712ffb582c43 100644
--- a/App.vue
+++ b/App.vue
@@ -15,4 +15,5 @@
 <style lang="scss">
 	@import "uview-ui/index.scss";
 	@import "static/css/common.css";
-</style>
+    @import "static/css/markdown.css";
+</style>
\ No newline at end of file
diff --git a/pages/chapter/read.vue b/pages/chapter/read.vue
index d273e8c64b3ead8851c70b2d89c409be09930874..6a0510a58dfc659e043c3bff6af554a9194200d1 100644
--- a/pages/chapter/read.vue
+++ b/pages/chapter/read.vue
@@ -1,7 +1,9 @@
 <template>
 	<view class="container" v-if="chapter.id > 0">
 		<view class="title">{{ chapter.title }}</view>
-		<view class="content">{{ chapter.content }}</view>
+		<view class="content markdown-body">
+			<u-parse :html="chapter.content"></u-parse>
+		</view>
 		<view class="action">
 			<u-icon :name="likeIcon.name" size="36" :color="likeIcon.color" :label="chapter.like_count" @click="likeChapter(chapter.id)"></u-icon>
 			<u-icon name="account" size="36" :label="chapter.user_count"></u-icon>
diff --git a/pages/course/info.vue b/pages/course/info.vue
index f6cb526fe74d4845ce611f2c0e91077e342a1dac..5456c995f60fdf8364421953d929bf9d5a757426 100644
--- a/pages/course/info.vue
+++ b/pages/course/info.vue
@@ -34,7 +34,9 @@
 					<view class="head">
 						<u-section title="课程介绍" :right="false"></u-section>
 					</view>
-					<view class="details">{{ course.details }}</view>
+					<view class="details markdown-body">
+						<u-parse :html="course.details"></u-parse>
+					</view>
 				</view>
 				<view class="section" v-if="course.teachers.length > 0">
 					<course-teacher-list :items="course.teachers"></course-teacher-list>
diff --git a/pages/help/info.vue b/pages/help/info.vue
index c5294100ed29c1178465e744a847c7ff92b108ff..d003923f60ef69651dc6f88756ab66bc1074852a 100644
--- a/pages/help/info.vue
+++ b/pages/help/info.vue
@@ -1,7 +1,9 @@
 <template>
 	<view class="container" v-if="help.id > 0">
 		<view class="title">{{ help.title }}</view>
-		<view class="content">{{ help.content }}</view>
+		<view class="content markdown-body">
+			<u-parse :html="help.content"></u-parse>
+		</view>
 	</view>
 </template>
 
diff --git a/pages/page/info.vue b/pages/page/info.vue
index 17e24275259b4512fb6ca2302bcf116c4108cc44..b4e62641e338cbd0c906270bfa2d5c92212842c3 100644
--- a/pages/page/info.vue
+++ b/pages/page/info.vue
@@ -1,7 +1,9 @@
 <template>
 	<view class="container" v-if="page.id > 0">
 		<view class="title">{{ page.title }}</view>
-		<view class="content">{{ page.content }}</view>
+		<view class="content markdown-body">
+			<u-parse :html="page.content"></u-parse>
+		</view>
 	</view>
 </template>
 
diff --git a/static/css/markdown.css b/static/css/markdown.css
new file mode 100644
index 0000000000000000000000000000000000000000..80b640188a5602886fde3b2f82c8b6d9dfdf5524
--- /dev/null
+++ b/static/css/markdown.css
@@ -0,0 +1,972 @@
+.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: 14px;
+    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: 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: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 {
+    list-style: initial;
+}
+
+.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;
+}
\ No newline at end of file