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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

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About the <head>

In CodePen, whatever you write in the HTML editor is what goes within the <body> tags in a basic HTML5 template. If you need things in the <head> of the document, put that code here.

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.

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Packages

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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Using packages here is powered by esm.sh, which makes packages from npm not only available on a CDN, but prepares them for native JavaScript ESM usage.

All packages are different, so refer to their docs for how they work.

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HTML 

              
                <div class="wrap">
	<p class="quote">“Wisdom is not a product of schooling but of the lifelong attempt to acquire it.”  <br><br>— Albert Einstein",</p>
	<p class="quote">“Live as if you were to die tomorrow. Learn as if you were to live forever.” <br><br>—  Mahatma Gandhi"</p>
	<p class="quote">“Tell me and I forget, teach me and I may remember, involve me and I learn.” <br><br>— Benjamin Franklin"</p>
	<p class="quote">“Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.”<br><br>— Richard Feynman"</p>
	<p class="quote">“It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.”  <br><br>—  Jacob Bronowski"</p>
</div>
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CSS 

              
                @import url(https://fonts.googleapis.com/css?family=Open+Sans:400,300);

html, body, .wrap {
	height: 100%;
}

body {
	background: black;
	overflow: hidden;
	color: white;
	font-family: Open sans;
	
}

.wrap {
	max-width: 800px;
	margin: 0 auto;
	position: relative;
}

h1 {
	position: relative;
	perspective: 500px;
	top: 50%;
	padding: 0 20px;
	transform: translateY(-50%);
	font-weight: 300;
	span {
		opacity: 0;
	}
}

.quote {
	display: inline-block;
	max-width: 100%;
	left: 0;
	top: 50px;
  opacity:0;

}
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JS 

              
                console.clear();
var quotes = $(".quote");
var dur = 0.5;
var stagger = 0.05;
var pause = 1.5; // quote static time
var overlap = 1; // next animation start overlap
var positionParam = 0;
var master = new TimelineMax({paused:true, repeat:10});
TweenMax.set(quotes, {autoAlpha:1});

for (var k = 0; k < quotes.length; k++) {
  var tl = new TimelineMax();  
  var mySplitText = new SplitText(quotes[k], {type:"chars, words, lines"});
  tl.staggerFrom(mySplitText.words, dur, {x: -50, opacity: 0}, stagger);
  tl.staggerTo(mySplitText.words, dur, {x: -50, opacity: 0}, stagger, "+=" + pause);
  master.add(tl, positionParam);
  positionParam += tl.duration() - overlap;
}

master.play();
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999px

Console