diff --git a/.idea/jsLibraryMappings.xml b/.idea/jsLibraryMappings.xml
index 01b5de2..b8c35ae 100644
--- a/.idea/jsLibraryMappings.xml
+++ b/.idea/jsLibraryMappings.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="JavaScriptLibraryMappings">
-    <file url="file://$PROJECT_DIR$" libraries="{github, jquery-3.6.0, jquery-3.6.0.slim, js-cookie, simplemde}" />
+    <file url="file://$PROJECT_DIR$" libraries="{github, jquery-3.6.0, jquery-3.6.0.slim, js-cookie, mathjax, simplemde}" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/mdblog.iml b/.idea/mdblog.iml
index 4c2f33c..d2875e0 100644
--- a/.idea/mdblog.iml
+++ b/.idea/mdblog.iml
@@ -25,6 +25,7 @@
     <orderEntry type="library" name="simplemde" level="application" />
     <orderEntry type="library" name="js-cookie" level="application" />
     <orderEntry type="library" name="github" level="application" />
+    <orderEntry type="library" name="mathjax" level="application" />
   </component>
   <component name="PyDocumentationSettings">
     <option name="format" value="PLAIN" />
diff --git a/markdownblog/blog/templatetags/video.py b/markdownblog/blog/templatetags/video.py
new file mode 100644
index 0000000..391a357
--- /dev/null
+++ b/markdownblog/blog/templatetags/video.py
@@ -0,0 +1,14 @@
+from django import template
+
+register = template.Library()
+
+
+@register.simple_tag(name='youtube')
+def youtube(vidid):
+    return '</p><iframe width="560" height="315" src="https://www.youtube.com/embed/' + vidid + \
+           '" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; ' \
+           'encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe><p>'
+
+@register.simple_tag(name='pdf')
+def pdf(fileurl):
+    return '</p><iframe width="80%" src="' + fileurl + '" height="1000"></iframe></p>'
diff --git a/markdownblog/blog/views.py b/markdownblog/blog/views.py
index 55d77ae..370cd85 100644
--- a/markdownblog/blog/views.py
+++ b/markdownblog/blog/views.py
@@ -1,5 +1,7 @@
 import os
 import random
+import re
+
 import markdown2
 
 from django.contrib.auth.decorators import login_required
@@ -8,6 +10,7 @@ from django.http import HttpResponse
 from django.shortcuts import render, redirect
 from blog.factories import TopicFactory
 from blog.models import Topic, Tag, Blogpost
+from django.template import Template, Context
 from django.views.decorators.csrf import csrf_exempt
 
 from markdownblog import settings
@@ -20,10 +23,15 @@ def viewblog(request, title) -> HttpResponse:
         md_file_content = mdfile.read()
         mdfile.close()
 
-    html = markdown2.markdown(md_file_content, extras=['footnotes', 'task_list', 'strike', 'break-on-newline', 'tables',
-                                                       'fenced-code-blocks'])
+    html_form_md = markdown2.markdown(md_file_content,
+                                      extras=['footnotes', 'task_list', 'strike', 'break-on-newline', 'tables',
+                                              'fenced-code-blocks'])
 
-    context = {'post': post, 'html': html}
+    rendered_html = Template('{% load video %} '
+                             '{% autoescape off %}' +
+                             html_form_md +
+                             '{% endautoescape %}').render(Context({}))
+    context = {'post': post, 'html': rendered_html}
     return render(request, 'blog/viewpost.html', context)
 
 
diff --git a/markdownblog/markdownblog/static/pygments/borland.css b/markdownblog/markdownblog/static/pygments/borland.css
deleted file mode 100644
index 0529b9b..0000000
--- a/markdownblog/markdownblog/static/pygments/borland.css
+++ /dev/null
@@ -1,52 +0,0 @@
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deleted file mode 100644
index 0b324e5..0000000
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deleted file mode 100644
index f795918..0000000
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deleted file mode 100644
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index f71de66..0000000
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-.codehilite .no { color: #cccccc } /* Name.Constant */
-.codehilite .nd { color: #cccccc } /* Name.Decorator */
-.codehilite .ni { color: #cccccc } /* Name.Entity */
-.codehilite .ne { color: #666699; font-weight: bold } /* Name.Exception */
-.codehilite .nf { color: #cccccc } /* Name.Function */
-.codehilite .nl { color: #cccccc } /* Name.Label */
-.codehilite .nn { color: #cccccc } /* Name.Namespace */
-.codehilite .nx { color: #cccccc } /* Name.Other */
-.codehilite .py { color: #cccccc } /* Name.Property */
-.codehilite .nt { color: #cccccc } /* Name.Tag */
-.codehilite .nv { color: #00cdcd } /* Name.Variable */
-.codehilite .ow { color: #cdcd00 } /* Operator.Word */
-.codehilite .w { color: #cccccc } /* Text.Whitespace */
-.codehilite .mb { color: #cd00cd } /* Literal.Number.Bin */
-.codehilite .mf { color: #cd00cd } /* Literal.Number.Float */
-.codehilite .mh { color: #cd00cd } /* Literal.Number.Hex */
-.codehilite .mi { color: #cd00cd } /* Literal.Number.Integer */
-.codehilite .mo { color: #cd00cd } /* Literal.Number.Oct */
-.codehilite .sa { color: #cd0000 } /* Literal.String.Affix */
-.codehilite .sb { color: #cd0000 } /* Literal.String.Backtick */
-.codehilite .sc { color: #cd0000 } /* Literal.String.Char */
-.codehilite .dl { color: #cd0000 } /* Literal.String.Delimiter */
-.codehilite .sd { color: #cd0000 } /* Literal.String.Doc */
-.codehilite .s2 { color: #cd0000 } /* Literal.String.Double */
-.codehilite .se { color: #cd0000 } /* Literal.String.Escape */
-.codehilite .sh { color: #cd0000 } /* Literal.String.Heredoc */
-.codehilite .si { color: #cd0000 } /* Literal.String.Interpol */
-.codehilite .sx { color: #cd0000 } /* Literal.String.Other */
-.codehilite .sr { color: #cd0000 } /* Literal.String.Regex */
-.codehilite .s1 { color: #cd0000 } /* Literal.String.Single */
-.codehilite .ss { color: #cd0000 } /* Literal.String.Symbol */
-.codehilite .bp { color: #cd00cd } /* Name.Builtin.Pseudo */
-.codehilite .fm { color: #cccccc } /* Name.Function.Magic */
-.codehilite .vc { color: #00cdcd } /* Name.Variable.Class */
-.codehilite .vg { color: #00cdcd } /* Name.Variable.Global */
-.codehilite .vi { color: #00cdcd } /* Name.Variable.Instance */
-.codehilite .vm { color: #00cdcd } /* Name.Variable.Magic */
-.codehilite .il { color: #cd00cd } /* Literal.Number.Integer.Long */
diff --git a/markdownblog/markdownblog/static/viewblog.css b/markdownblog/markdownblog/static/viewblog.css
index cfe787c..855057d 100644
--- a/markdownblog/markdownblog/static/viewblog.css
+++ b/markdownblog/markdownblog/static/viewblog.css
@@ -49,16 +49,9 @@ tr:nth-child(even) {
     background-color: #f8f8f8;
 }
 
-li {
-    list-style-type: disc !important;
-}
-
-ul {
-    padding-left: 2em !important;
-}
 
 code, pre {
-    #background-color: #eee;
+    background-color: #eee;
     border-radius: 3px;
 }
 
@@ -72,9 +65,6 @@ input[type="checkbox"] ~ li {
     list-style-type: none !important;
 }
 
-blockquote {
-    color: #777;
-}
 
 hr {
     height: 0.25em;
@@ -82,4 +72,13 @@ hr {
     margin: 24px 0;
     background-color: #e7e7e7;
     border: 0;
+}
+
+ul {
+    list-style-type: revert !important;
+    padding-left: revert !important;
+}
+
+li {
+    list-style-type: revert !important;
 }
\ No newline at end of file
diff --git a/markdownblog/markdownblog/templates/base/base.html b/markdownblog/markdownblog/templates/base/base.html
index 6b2cff3..e0cc44a 100644
--- a/markdownblog/markdownblog/templates/base/base.html
+++ b/markdownblog/markdownblog/templates/base/base.html
@@ -20,31 +20,31 @@
             <i class="material-icons">menu</i>
         </a>
     </nav>
-    <ul id="slide-out" class="sidenav sidenav-fixed">
+    <ul id="slide-out" class="sidenav sidenav-fixed" style="padding-left: 0 !important">
         {% if user.is_authenticated %}
-            <li><a class="waves-effect" href="{% url 'addpost' %}"><i class="material-icons">add</i>New post</a></li>
-            <li><a class="waves-effect" href="{% url 'order' %}"><i class="material-icons">reorder</i>Manage posts</a>
+            <li class="no-liststyle"><a class="waves-effect" href="{% url 'addpost' %}"><i class="material-icons">add</i>New post</a></li>
+            <li class="no-liststyle"><a class="waves-effect" href="{% url 'order' %}"><i class="material-icons">reorder</i>Manage posts</a>
             </li>
-            <li>
+            <li class="no-liststyle">
                 <div class="divider"></div>
             </li>
-            <li><a class="waves-effect" href="{% url 'admin:index' %}"><i
+            <li class="no-liststyle"><a class="waves-effect" href="{% url 'admin:index' %}"><i
                     class="material-icons">admin_panel_settings</i>Admin
                 panel</a></li>
-            <li><a class="waves-effect" href="{% url 'logout' %}"><i class="material-icons">logout</i>Logout</a></li>
+            <li class="no-liststyle"><a class="waves-effect" href="{% url 'logout' %}"><i class="material-icons">logout</i>Logout</a></li>
             {% if debug %}
-                <li>
+                <li class="no-liststyle">
                     <div class="divider"></div>
                 </li>
-                <li>
+                <li class="no-liststyle">
                     <a class="waves-effect" href="{% url 'mock' objtype='topic' n=10 %}">Mock 10 topics</a>
                 </li>
-                <li>
+                <li class="no-liststyle">
                     <a class="waves-effect" href="{% url 'admin:index' %}">Mock Posts</a>
                 </li>
             {% endif %}
         {% else %}
-            <li><a class="waves-effect" href="{% url 'login' %}"><i class="material-icons">login</i>Login</a></li>
+            <li class="no-liststyle"><a class="waves-effect" href="{% url 'login' %}"><i class="material-icons">login</i>Login</a></li>
         {% endif %}
     </ul>
 </header>
diff --git a/markdownblog/markdownblog/templates/blog/addpost.html b/markdownblog/markdownblog/templates/blog/addpost.html
index 8c2b096..8c44f17 100644
--- a/markdownblog/markdownblog/templates/blog/addpost.html
+++ b/markdownblog/markdownblog/templates/blog/addpost.html
@@ -103,6 +103,17 @@
                     className: "fa fa-arrows-alt no-disable no-mobile",
                     title: "fullscreen",
                     action: autoCollapseSideNavFS
+                },
+                {
+                    name: 'render-tex',
+                    className: 'fa fa-refresh no-disable no-mobile',
+                    title: 'Re render LaTex',
+                    shortcut: 'Ctrl+R',
+                    action: () => {
+                        if (window.MathJax) {
+                            window.MathJax.typeset();
+                        }
+                    }
                 }
             ]
         });
@@ -119,4 +130,16 @@
         });
     </script>
     <script src="https://cdn.jsdelivr.net/highlight.js/latest/highlight.min.js"></script>
+    <script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
+    <script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
+    <script>
+        MathJax = {
+            tex: {
+                inlineMath: [['$', '$'], ['\\(', '\\)']]
+            },
+            svg: {
+                fontCache: 'global'
+            }
+        };
+    </script>
 {% endblock %}
\ No newline at end of file
diff --git a/markdownblog/markdownblog/templates/blog/viewpost.html b/markdownblog/markdownblog/templates/blog/viewpost.html
index 873c98c..427d465 100644
--- a/markdownblog/markdownblog/templates/blog/viewpost.html
+++ b/markdownblog/markdownblog/templates/blog/viewpost.html
@@ -8,7 +8,7 @@
     <link rel="stylesheet" href="{% static 'viewblog.css' %}">
     <link rel="stylesheet"
           href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.5.1/build/styles/default.min.css">
-    <link rel="stylesheet" href="{% static 'pygments/native.css' %}">
+    <link rel="stylesheet" href="{% static 'pygments/tango.css' %}">
 {% endblock %}
 {% block content %}
     {% autoescape off %}