Pen Settings



CSS Base

Vendor Prefixing

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Any URL's 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 it's URL and the proper URL extention.

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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.

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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.


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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

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                <div class="wrapper">
  <p class="text">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Cum, libero, explicabo. At modi quis, eum necessitatibus rem iste velit officiis non beatae! Illo quis repellendus similique repellat, id nam sequi.</p>


                html {
  box-sizing: border-box;

*:after {
  box-sizing: inherit;
  padding: 0;
  margin: 0;

body {
  background: #37393B;
  color: #fff;
  font-family: arial;
  letter-spacing: 2px;

.wrapper {
  position: absolute;
  top: 50%;
  width: 90%;
  left: 5%;
  margin-top: -87.5px;
  font-size: 30px;
  height: 175px;

.wave {
  color: #999999;
  animation: 0.5s color infinite;

@keyframes color {
  50% {
    color: #8fc8ae;


                var wrapper = document.querySelector(".wrapper");
var text = document.querySelector(".text");

var textCont = text.textContent; = "none";

for (var i = 0; i < textCont.length; i++) {
  (function(i) {
    setTimeout(function() {
      // Created textNode to append
      var texts = document.createTextNode(textCont[i])
      var span = document.createElement('span');


    }, 75 * i);