diff --git a/README.md b/README.md
index 0e72859..076c2c8 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,19 @@
 Markdown preview mode
 ===========================
 
+
+*This is my private fork of https://github.com/ancane/markdown-preview-mode* 
+
+
+**!the contents of this readme may still apply or not!**
+
+-------
+
+
 [![MELPA Stable](http://stable.melpa.org/packages/markdown-preview-mode-badge.svg)](http://stable.melpa.org/#/markdown-preview-mode)
 [![MELPA](http://melpa.org/packages/markdown-preview-mode-badge.svg)](http://melpa.org/#/markdown-preview-mode)
 
 
-private fork of https://github.com/ancane/markdown-preview-mode 
-
-!the contents of this readme may still apply or not!
-
-
-
 
 Markdown preview in emacs features:
 
diff --git a/preview.html b/preview.html
index 4ba0bef..f2b699e 100644
--- a/preview.html
+++ b/preview.html
@@ -2,11 +2,21 @@
 <html>
   <head>
     <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, minimal-ui">
+    <meta name="viewport" content="width=device-width, initial-scale=1, minimal-ui, user-scalable=yes">
     <title>Markdown preview</title>
+    <!--
     ${MD_STYLE}
+    -->
+    <!-- apt install libjs-mathjax node-jquery 
+    <script src="file:///usr/share/nodejs/jquery/dist/jquery.min.js"></script>
+    chromium doesn't load file:/// -->
     <script src="http://code.jquery.com/jquery-1.12.4.min.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml-full.js" type="text/javascript"></script>
+    <!--
+    <script src="file:///usr/share/javascript/mathjax/config/TeX-AMS_CHTML-full.js"></script>
+    -->
     ${MD_JS}
+    
     <script>
      (function($, undefined) {
          var socket = new WebSocket("ws://${WS_HOST}:${WS_PORT}");
@@ -24,7 +34,9 @@
          };
          socket.onmessage = function(event) {
              $("#markdown-body").html($(event.data).find("#content").html()).trigger('mdContentChange');
-             var scroll = $(document).height() * ($(event.data).find("#position-percentage").html() / 100);
+             var scroll = $(document).height() *
+                 ($(event.data).find("#position-percentage").html() / 100);
+             MathJax.typeset();
              $("html, body").animate({ scrollTop: scroll }, 600);
          };
          socket.onerror = function(error) {
@@ -32,6 +44,186 @@
          };
      })(jQuery);
     </script>
+<!-- from pandoc --standalone --html  -->
+<!-- was: line-height: 1.7;  max-width: 40em;     -->    
+    <style>
+      html {
+      line-height: 1.3;
+      font-family: Georgia, serif;
+      font-size: 20px;
+      color: #1a1a1a;
+      background-color: #fdfdfd;
+    }
+    body {
+      margin: 0 auto;
+      max-width: 60em;       
+      padding-left: 50px;
+      padding-right: 50px;
+      padding-top: 50px;
+      padding-bottom: 50px;
+      hyphens: auto;
+      word-wrap: break-word;
+      text-rendering: optimizeLegibility;
+      font-kerning: normal;
+    }
+    @media (max-width: 600px) {
+      body {
+        font-size: 0.9em;
+        padding: 1em;
+      }
+    }
+    @media print {
+      body {
+        background-color: transparent;
+        color: black;
+      }
+      p, h2, h3 {
+        orphans: 3;
+        widows: 3;
+      }
+      h2, h3, h4 {
+        page-break-after: avoid;
+      }
+    }
+    p {
+      margin-top: 1.7em;
+    }
+    a {
+      color: #1a1a1a;
+    }
+    a:visited {
+      color: #1a1a1a;
+    }
+    img {
+      max-width: 100%;
+    }
+    h1, h2, h3, h4, h5, h6 {
+      margin-top: 1.7em;
+    }
+    ol, ul {
+      padding-left: 1.7em;
+      margin-top: 1.7em;
+    }
+    li > ol, li > ul {
+      margin-top: 0;
+    }
+    blockquote {
+      margin: 1.7em 0 1.7em 1.7em;
+      padding-left: 1em;
+      border-left: 2px solid #e6e6e6;
+      font-style: italic;
+    }
+    code {
+      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
+      background-color: #f0f0f0;
+      font-size: 85%;
+      margin: 0;
+      padding: .2em .4em;
+    }
+    pre {
+      line-height: 1.5em;
+      padding: 1em;
+      background-color: #f0f0f0;
+      overflow: auto;
+    }
+    pre code {
+      padding: 0;
+      overflow: visible;
+    }
+    hr {
+      background-color: #1a1a1a;
+      border: none;
+      height: 1px;
+      margin-top: 1.7em;
+    }
+    table {
+      border-collapse: collapse;
+      width: 100%;
+      overflow-x: auto;
+      display: block;
+    }
+    th, td {
+      border-bottom: 1px solid lightgray;
+      padding: 1em 3em 1em 0;
+    }
+    header {
+      margin-bottom: 6em;
+      text-align: center;
+    }
+    nav a:not(:hover) {
+      text-decoration: none;
+    }
+    code{white-space: pre-wrap;}
+    span.smallcaps{font-variant: small-caps;}
+    span.underline{text-decoration: underline;}
+    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
+    ul.task-list{list-style: none;}
+    pre > code.sourceCode { white-space: pre; position: relative; }
+    pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
+    pre > code.sourceCode > span:empty { height: 1.2em; }
+    code.sourceCode > span { color: inherit; text-decoration: inherit; }
+    div.sourceCode { margin: 1em 0; }
+    pre.sourceCode { margin: 0; }
+    @media screen {
+    div.sourceCode { overflow: auto; }
+    }
+    @media print {
+    pre > code.sourceCode { white-space: pre-wrap; }
+    pre > code.sourceCode > span { text-indent: -5em; padding-left: 5em; }
+    }
+    pre.numberSource code
+      { counter-reset: source-line 0; }
+    pre.numberSource code > span
+      { position: relative; left: -4em; counter-increment: source-line; }
+    pre.numberSource code > span > a:first-child::before
+      { content: counter(source-line);
+        position: relative; left: -1em; text-align: right; vertical-align: baseline;
+        border: none; 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 {
+    pre > code.sourceCode > span > a:first-child::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 */
+  </style>
+
+    
   </head>
   <body>
     <article id="markdown-body" class="markdown-body">
