Pen Settings



CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ 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.


                <input type="checkbox" id="toggle" name="toggle">

<ul class="navigation-menu">
  <li><a href="#">Home</a></li>
  <li><a href="#">About</a></li>
  <li><a href="#">Contact</a></li>
  <li><a href="#">Blog</a></li>

<div class="navbar">
  <label for="toggle"><i class="fa fa-bars"></i> Menu</label>

<div class="content">
  <h1>Hidden Navigation Menu</h1>
  <p>It's pretty easy to make a hidden navigation menu with pure CSS. Simply use a checkbox as a toggle! Create a label for the checkbox and hide the actual checkbox by giving it "display: none".  Who needs jQuery, right?</p>
  <h2>Lorem ipsum dolor.</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ut laudantium deserunt optio sapiente voluptas, quae quidem perferendis voluptatem incidunt, voluptatum beatae blanditiis quam fugit deleniti rem vero tempore? Doloribus, reprehenderit!</p>
  <h2>Lorem ipsum dolor sit.</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eaque, perferendis ipsam amet. Suscipit explicabo pariatur, necessitatibus voluptatum enim velit animi, nesciunt modi facilis impedit, sequi quaerat! Beatae ad, enim porro.</p>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ratione optio a delectus dolor rerum commodi necessitatibus facere eveniet ipsam dolores! Atque architecto nulla magni reprehenderit ad, odio asperiores! Error, molestias.</p>



                body {
  background: #00B3FF;
  font-family: 'Questrial', sans-serif;
  font-size: 18px;
  line-height: 1.5em;

.fa-bars {
  margin-right: 10px;

.navigation-menu {
  background: #111;
  height: 100%;
  width: 50%;
  padding: 60px 0;
  margin: 0;
  list-style: none;
  text-align: center;
  position: fixed;
  right: -45%;
  top: 0;
  transition: all 0.5s;
  z-index: 1;
  font-size: 60px;

.navigation-menu li {
  padding: 30px 0;

.navigation-menu li:nth-of-type(2n) {
  background: #222;

.navigation-menu li:hover {
  background: #444;

.navigation-menu a {
  color: #E5E5E5;
  text-transform: uppercase;
  text-decoration: none;
  display: block;
  transition:all 0.3s;

.navbar {
  background: #E5E5E5;
  padding: 20px;
  position: fixed;
  width: 95%;
  top: 0;

.content {
  width: 80%;
  margin: 40px auto;
  padding-top: 75px;
  transition: all 0.5s; 
  position: relative;
  left: 0;

/* Hide the checkbox */
#toggle {
  display: none; 

/* Use this label to toggle the sliding menu */
label[for="toggle"] {
  cursor: pointer;
  font-size: 30px;
  margin-left: 40px;

/* Slide menu when checkbox is checked */
input#toggle:checked + ul.navigation-menu {
  right: 0;

/* Also slide content when checkbox is checked */
input#toggle:checked ~ .content {
  left: -45%;