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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>

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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-.

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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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Packages

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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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HTML 

              
                <div class="hero">
	
	<h1>Animated SVG <br>Scrolling Mouse Icon</h1>
	
	<a class="scroll-link" href="#content">
		<svg class="mouse" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 76 130" preserveAspectRatio="xMidYMid meet">
		<g fill="none" fill-rule="evenodd">
			<rect width="70" height="118" x="1.5" y="1.5" stroke="#FFF" stroke-width="3" rx="36"/>
			<circle class="scroll" cx="36.5" cy="31.5" r="4.5" fill="#FFF"/>
		</g>
	</svg>
	</a>
	
</div>

<div id="content" class="content">
	
	<h2>Content</h2>
	<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. At iam decimum annum in spelunca iacet. Certe, nisi voluptatem tanti aestimaretis. Sed ego in hoc resisto; Quid enim mihi potest esse optatius quam cum Catone, omnium virtutum auctore, de virtutibus disputare? Septem autem illi non suo, sed populorum suffragio omnium nominati sunt. Varietates autem iniurasque fortunae facile veteres philosophorum praeceptis instituta vita superabat. Duo Reges: constructio interrete. Polemoni et iam ante Aristoteli ea prima visa sunt, quae paulo ante dixi.</p>
	
</div>
!

CSS 

              
                @import url('https://fonts.googleapis.com/css?family=Playfair+Display:700|Source+Sans+Pro');

$mouse-width: 2.5rem;

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-family: 'Source Sans Pro', sans-serif;
	font-size: 16px;
	line-height: 1.618;
}

h1,
h2 {
	font-family: 'Playfair Display', serif;
	line-height: 1.2;
	margin-bottom: 1rem;
	letter-spacing: 1px;
}

h1 {
	font-size: 3rem;
	max-width: 35rem;
	text-align: center;
}

h2 {
	font-size: 2.5rem;
}

.hero {
	position: relative;
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 12rem 2rem;
	color: white;
	background: {
		image: linear-gradient(to bottom,  rgba(69,72,77,1) 0%,rgba(0,0,0,1) 100%), url('https://source.unsplash.com/random/1920x1080/?sky');
		blend-mode: multiply;
		size: cover;
	}
}

.mouse {
	max-width: $mouse-width;
	width: 100%;
	height: auto;
}

.scroll {
	animation-name: scroll;
	animation-duration: 1.5s;
	animation-timing-function: cubic-bezier(0.650, -0.550, 0.250, 1.500);
	animation-iteration-count: infinite;
	transform-origin: 50% 20.5px;
	will-change: transform, opacity;
	opacity: 1;
}

.scroll-link {
	position: absolute;
	bottom: 1rem;
	left: 50%;
	transform: translateX(-50%);
}

@keyframes scroll {

	0%, 20% {
		transform: translateY(0) scaleY(1);
	}

	100% {
		transform: translateY(36px) scaleY(2);
		opacity: 0;
	}

}

.content {
	min-height: 100vh;
	max-width: 28rem;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center; 
}
!

JS 

              
                jQuery(document).ready(function($){
	
	$('a.scroll-link').click(function(e){
		e.preventDefault();
		$id = $(this).attr('href');
		$('body,html').animate({
			scrollTop: $($id).offset().top -20
		}, 750);
	});
	
});
!
999px

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