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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.

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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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Use npm Packages

We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

              <link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<div class="intro">
  <h1>Scroll down to see the animation</h1>
  <h1>The animation will start only when the element is visible on the screen</h1>
  <h1>Resize the page to see the difference</h1>
<div class="container-fluid text-center">
  <h1>Some cool facts</h1>
  <div class="row">
    <div class="col-sm-3">
      <i class="fa fa-user"></i>
      <h2 data-max="50">+ Happy Customers</h2>
    <div class="col-sm-3">
      <i class="fa fa-code"></i>
      <h2 data-max="25000">+ Lines of code</h2>
    <div class="col-sm-3">
      <i class="fa fa-lock"></i>
      <h2 data-max="10">+ Projects</h2>
    <div class="col-sm-3">
      <i class="fa fa-briefcase"></i>
      <h2 data-max="30" id="test">+ Developers</h2>

div {
  padding: 0;
  margin: 0;
i {
  font-size: 4em !important;
  margin-top: 10%;
  color: teal;

h1 {
  padding-top: 30px;
  color: white !important;

h2 {
  color: teal;

.intro {
  height: auto;
  min-height: 100vh;
  text-align: center;
  background-color: teal;

              function inVisible(element) {
  //Checking if the element is
  //visible in the viewport
  var WindowTop = $(window).scrollTop();
  var WindowBottom = WindowTop + $(window).height();
  var ElementTop = element.offset().top;
  var ElementBottom = ElementTop + element.height();
  //animating the element if it is
  //visible in the viewport
  if ((ElementBottom <= WindowBottom) && ElementTop >= WindowTop)

function animate(element) {
  //Animating the element if not animated before
  if (!element.hasClass('ms-animated')) {
    var maxval = element.data('max');
    var html = element.html();
      countNum: element.html()
      countNum: maxval
    }, {
      //duration 5 seconds
      duration: 5000,
      easing: 'linear',
      step: function() {
        element.html(Math.floor(this.countNum) + html);
      complete: function() {
        element.html(this.countNum + html);


//When the document is ready
$(function() {
  //This is triggered when the
  //user scrolls the page
  $(window).scroll(function() {
    //Checking if each items to animate are 
    //visible in the viewport
    $("h2[data-max]").each(function() {

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