Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource


Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource


Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.


Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.


                <div id="main"></div>


                @import '|PT+Mono';

$regular-font: 'PT Mono', monospace;
$title-font: 'Nova Mono', monospace;

* {
  box-sizing: border-box;

body, html {
  padding: 0;
    margin: 0;

img {
	max-width: 50%;

a {
	color: white;
	font-weight: 500;
body { 
	background-color: #283593; 
	color: #3F51B5;
	font-family: $regular-font;
	font-size: 100%;

#main {
  min-height: 100vh;	

::-webkit-scrollbar {
      width: 1rem;
			background-color: #3F51B5;

::-webkit-scrollbar-thumb {
      background-color: rgba(255, 255, 255, 0.2); 
::-webkit-scrollbar-button {
::-webkit-scrollbar-corner {
      background-color: #E8EAF6;

h1,	h2, h3, h4, h5, h6 {
		font-family: $title-font;	

#app {
  display: flex;
	font-weight: 500;
	height:  100%;


#title-section {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	font-family: $title-font;
	color: white;
	letter-spacing: .2rem;
#title {
	text-align: right;
	font-size: 3rem;
	margin: 1rem 1.5rem;	
	font-weight: 400;

#explain {
	text-align: left;
	font-size: 1.6rem;	
	margin: 1rem 2rem;	
	font-weight: 400;

#text {
  width: 100%;
  height: 100%;
  font-size: 1rem;
  padding: 2.5rem 1.5rem;
  font-family: $regular-font;
	color: #3F51B5;
	font-weight: 600;
	background-color: #C5CAE9;
		background: white;
	line-height: 1.4rem;

#input {
  display: flex;
	justify-content: center;

#output {  
	padding: 1.5rem;
	line-height: 1.7rem;
	color: white; 
	background-color:  #3F51B5;	


                var App = React.createClass({
	getInitialState: function() {
		return {
			value: `Sample Markdown text below taken from [Unexpected Vortices](

An h1 header

Paragraphs are separated by a blank line.

2nd paragraph. *Italic*, **bold**. Itemized lists
look like:

  * this one
  * that one
  * the other one

Note that --- not considering the asterisk --- the actual text
content starts at 4-columns in.

> Block quotes are
> written like so.
> They can span multiple paragraphs,
> if you like.

Use 3 dashes for an em-dash. Use 2 dashes for ranges (ex., "it's all
in chapters 12--14"). Three dots ... will be converted to an ellipsis.
Unicode is supported. ☺

An h2 header

Here's a numbered list:

 1. first item
 2. second item
 3. third item

Note again how the actual text starts at 4 columns in (4 characters
from the left side). Here's a code sample:

    # Let me re-iterate ...
    for i in 1 .. 10 { do-something(i) }

As you probably guessed, indented 4 spaces. By the way, instead of
indenting the block, you can use delimited blocks, if you like:

define foobar() {
    print "Welcome to flavor country!";

(which makes copying & pasting easier). You can optionally mark the
delimited block for Pandoc to syntax highlight it:

import time
# Quick, count to ten!
for i in range(10):
    # (but not *too* quick)
    print i

### An h3 header ###

Now a nested list:

 1. First, get these ingredients:

      * carrots
      * celery
      * lentils

 2. Boil some water.

 3. Dump everything in the pot and follow
    this algorithm:

        find wooden spoon
        uncover pot
        cover pot
        balance wooden spoon precariously on pot handle
        wait 10 minutes
        goto first step (or shut off burner when done)

    Do not bump wooden spoon or it will fall.

Notice again how text always lines up on 4-space indents (including
that last line which continues item 3 above).

Here's a link to [a website](, to a [local
doc](local-doc.html), and to a [section heading in the current
doc](#an-h2-header). Here's a footnote [^1].

[^1]: Footnote text goes here.

Tables can look like this:

size  material      color
----  ------------  ------------
9     leather       brown
10    hemp canvas   natural
11    glass         transparent

Table: Shoes, their sizes, and what they're made of

(The above is the caption for the table.) Pandoc also supports
multi-line tables:

--------  -----------------------
keyword   text
--------  -----------------------
red       Sunsets, apples, and
          other red or reddish

green     Leaves, grass, frogs
          and other things it's
          not easy being.
--------  -----------------------

A horizontal rule follows.


Here's a definition list:

  : Good for making applesauce.
  : Citrus!
  : There's no "e" in tomatoe.

Again, text is indented 4 spaces. (Put a blank line between each
term/definition pair to spread things out more.)

Here's a "line block":

| Line one
| Line too
| Line tree

and images can be specified like so:

![Markdown Logo]( "Markdown Logo")

Inline math equations go in like so: $\omega = d\phi / dt$. Display
math should get its own line and be put in in double-dollarsigns:

$$I = \int \rho R^{2} dV$$

And note that you can backslash-escape any punctuation characters
which you wish to be displayed literally, ex.: \`foo\`, \*bar\*, etc.`
	handleChange: function(event) {
	rawMarkup: function() {
		var md = new Remarkable();
		var rawMarkup = md.render(this.state.value.toString());
		return {
			__html: rawMarkup
	render: function() {
		return (
			<div id="wrapper">
				<div id="title-section">					
					<h2 id="explain"><strong>Input</strong> on the Left<br/>
						<strong>Output</strong> on the Right</h2>
					<h1 id="title">_Markdown Viewer*</h1>
				<div id="app">
						<div id="input">			
          		<textarea id="text" 
					  <div id="output" dangerouslySetInnerHTML={this.rawMarkup()}>

	<App />,