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Pen Settings

CSS Base

Vendor Prefixing

Add External CSS

These stylesheets will be added in this order and before the code you write in the CSS editor. You can also add another Pen here, and it will pull the CSS from it. Try typing "font" or "ribbon" below.

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Add External JavaScript

These scripts will run in this order and before the code in the JavaScript editor. You can also link to another Pen here, and it will run the JavaScript from it. Also try typing the name of any popular library.

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Code Indentation


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Auto-Updating Preview

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

              <div class="togglebox">
  <input id="toggle1" type="checkbox" name="toggle" />
  <label for="toggle1">Label 1</label>
  <section id="content1">
    <p><span>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ab ea veritatis cumque unde dolore quasi hic praesentium, in consequatur, incidunt alias iure illum facilis qui odit excepturi tenetur, error eligendi.</span><span>Accusamus quasi eveniet dolorem, nihil cupiditate, facilis id quas consectetur mollitia quod minima excepturi maiores. A, molestias suscipit sunt provident libero magnam quas dolores aspernatur totam tenetur vel quis. Officia?</span></p>
  <input id="toggle2" type="checkbox" name="toggle" />
  <label for="toggle2">Label 2</label>
  <section id="content2">
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Autem tempora quia fugit eveniet nostrum amet quod aliquid repellendus sint. Adipisci voluptas ratione doloremque delectus vel nemo cumque autem beatae minus.</p>
  <input id="toggle3" type="checkbox" name="toggle" />
  <label for="toggle3">Label 3</label>
  <section id="content3">
    <img src="https://unsplash.it/600/150?number=200" alt="" />
              // Visually hide checkbox buttons
input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  &:focus + label {
    color: black;
    background-color: wheat;

// Style label/entry for accordion
label {
  position: relative;
  display: block;
  cursor: pointer;
  background: #c69;
  color: white;
  padding: .5em;
  border-bottom: 1px solid white;

// Style accordion content
section {
  height: 0;
  transition: .3s all;
  overflow: hidden;

// Open content when clicking label
#toggle1:checked ~ #content1,
#toggle2:checked ~ #content2,
#toggle3:checked ~ #content3,
#toggle4:checked ~ #content4 {
  // set height for transition duration to work
  // (also can set to auto without transition)
  height: 150px;

// just some styling

body {
  font-family: monospace;
  font-size: 1.5;

p {
  padding: 0 2em

.togglebox {
  margin: 0 auto;
  width: 50%;
  border: 1px solid #c69;
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