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HTML

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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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CSS

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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

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Vendor Prefixing

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JavaScript

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HTML 

              
                <section class="clearfix">
	<h2>Inline Updates <small>(without updates)</small></h2>
	<p class="description">Inline Updates replaces progress updates with a simpler and more straight forward experience when installing, updating, and deleting plugins and themes.</p>
	<table class="animation-table">
		<tbody>
			<tr class="tr-hello">
				<td>
					<p class="description-hello">
				<strong>Hello Dolly</strong>
				You have version 1.5 installed. Update to 1.6. <a href="" class="thickbox open-plugin-details-modal" aria-label="View Hello Dolly version 1.6 details">View version 1.6 details.</a></p>
					<div class="notice-hello">
						<span class="dashicons dashicons-update icon-hello"></span>
						<p class="newversion-hello">There is a new version of Hello Dolly available. <a href="" aria-label="View Hello Dolly version 1.6 details">View version 1.6 details</a> or <a href="" aria-label="Update Hello Dolly now" class="update-hello">update now</a>.</p>
					</div>
				</td>
			</tr>
			<tr class="tr-2015">
				<td>
					<p class="description-2015">
				<strong>Twenty Fifteen</strong>
				You have version 1.4 installed. Update to 1.5.</p>
					<div class="notice-2015">
						<span class="dashicons dashicons-update icon-2015"></span>
						<p class="newversion-2015">There is a new version of Twenty Fifteen available. <a href="" aria-label="View Hello Dolly version 1.6 details">View version 1.5 details</a> or <a href="" aria-label="Update Hello Dolly now" class="update-2015">update now</a>.</p>
					</div>
				</td>
			</tr>
		</tbody>
	</table>
</section>

<section class="clearfix">
	<h2>Inline Updates <small>(with updates)</small></h2>
	<p class="description">Inline Updates replaces progress updates with a simpler and more straight forward experience when installing, updating, and deleting plugins and themes.<br /><br />
	Try out this feature with your pending updates below.</p>
	<table>
		<tbody>
			<tr>
				<td>
					<p>
				<strong>Hello Dolly</strong>
				You have version 1.4 installed. Update to 1.6. <a href="" class="thickbox open-plugin-details-modal" aria-label="View Hello Dolly version 1.6 details">View version 1.6 details.</a><br>Compatibility with WordPress 4.6: Unknown			</p>
					<div class="notice">
						<p class="icon-pseudo">There is a new version of Hello Dolly available. <a href="" aria-label="View Hello Dolly version 1.6 details">View version 1.6 details</a> or <a href="" aria-label="Update Hello Dolly now">update now</a>.</p>
					</div>
				</td>
			</tr>
			<tr>
				<td>
					<p>
				<strong>Twenty Fifteen</strong>
				You have version 1.4 installed. Update to 1.5.</p>
					<div class="notice">
						<p class="icon-pseudo">There is a new version of Twenty Fifteen available. <a href="" aria-label="View Hello Dolly version 1.6 details">View version 1.5 details</a> or <a href="" aria-label="Update Hello Dolly now">update now</a>.</p>
					</div>
				</td>
			</tr>
		</tbody>
	</table>
</section>

<section class="clearfix">
	<h2>Inline Updates <small>(no updates)</small></h2>
	<div>
		<div class="gif">gif</div>
	</div>
	<div>
		<h3>Install, Update, and Delete</h3>
		<p>Inline Updates replaces progress updates with a simpler and more straight forward experience when installing, updating, and deleting plugins and themes.</p>
	</div>
</section>
!

CSS 

              
                html, body { 
	background: #f1f1f1;
	color: #444;
	font-size: 100%;
	font-family:
	/* 1 */ -apple-system, BlinkMacSystemFont,
	/* 2 */ "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans",
	/* 3 */ "Helvetica Neue", sans-serif; 
}

.tr-hello, .tr-2015 {
	display: none;
}
@keyframes clicked {
	from { opacity: 0; }
	to { opacity: 1; }
}
.clicked {
  -moz-animation: clicked 1s;
  animation: clicked 1s;
}

.notice-updating {
  -moz-animation: rotation 2s infinite linear;
	animation: rotation 2s infinite linear;
}

@keyframes rotation {
  from { 
		-moz-transform: rotate(0deg);
		transform: rotate(0deg); 
	}
  to { 
		-moz-transform: rotate(359deg); 
		transform: rotate(359deg); 
	}
}

section {
	position: relative;
	margin: 25px 40px 0 20px;
	max-width: 1050px;
	font-size: 15px;
	padding-bottom: 200px;
	margin-bottom: 200px;
	border-bottom: 1px solid rgba(0,0,0,.1);
	
	&:last-child {
		border-bottom: none;
		margin-bottom: 0;
	}
	
	> div {
		float: left;
		width: 48%;
		margin-right: 4%;
		
		&:last-child {
			margin-right: 0;
		}
	}
	
	p {
		margin-top: .6em 0 1em;
		line-height: 1.6em;
		
		&.description {
			max-width: 600px;
			margin: 0 auto;
			text-align: center;
			margin-bottom: 2.5em;
		}
	}
}

h2 {
	margin: 50px 0 1em;
	font-size: 1.8em;
	line-height: 1.3;
	font-weight: 300;
	text-align: center;
	
	small {
		font-size: 14px;
		color: #ccc;
		display: block;
	}
}

h3 {
	margin: 4em 0 .6em;
	font-size: 1.25em;
	line-height: 1.5em;
	font-weight: 600;
	color: #23282d;
}

hr {
	border: 0;
	height: 0;
	margin: 0;
	border-top: 1px solid rgba(0,0,0,.1);
}

table {
	border-spacing: 0;
	width: 100%;
	clear: both;
	margin: 0;
	border: 1px solid #e5e5e5;
	-webkit-box-shadow: 0 1px 1px rgba(0,0,0,.04);
	box-shadow: 0 1px 1px rgba(0,0,0,.04);
	background: #fff;
	
	thead > tr > td {
		padding: 8px 10px 8px 30px;
		vertical-align: middle;
		line-height: 1.4;
		font-size: 14px;
		border-bottom: 1px solid #e1e1e1;
		text-align: center;
	}
	
	tbody > tr > td {
		adding-right: 12px;
white-space: nowrap;
		font-size: 13px;
line-height: 1.5em;
		vertical-align: top;
		padding: 8px 10px 8px 30px;
		border-bottom: 1px solid #e1e1e1;
	}
	
	strong {
		display: block;
		margin-bottom: .2em;
		font-size: 14px;
	}
}

.notice, .notice-hello, .notice-2015 {
	margin: 5px 20px 15px 0px;
	background-color: #fff8e5;
	border-left: 4px solid #ffb900;
	padding: 1px 12px;
	color: #000;
	font-size: 13px;
	line-height: 1.5em;
	
	p {
		margin: .5em 0;
		display: inline-block;
	}
	
	p.icon-pseudo:before {
		margin-right: 6px;
		vertical-align: bottom;
		color: #f56e28;
		display: inline-block;
		content: "\f463";
		font: 400 20px/1 dashicons;
		-webkit-font-smoothing: antialiased;
		-moz-osx-font-smoothing: grayscale;
	}
	
	&.success {
		background-color: #ecf7ed;
		border-left-color: #46b450;
	}
}

.dashicons-update, .dashicons-yes {
	margin-right: 6px;
	color: #f56e28;
	display: inline-block;
	font: 400 20px/1 dashicons;
	vertical-align: middle;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
.dashicons-yes {
	color: #79ba49;
}

a {
	color: #0073aa;
	text-decoration: none;
	
	&:hover, &.hover {
		color: #00a0d2;
	}
}

.gif {
	width: 100%;
	height: 300px;
	background: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #aaa;
}

/* slightly enhanced, universal clearfix hack */
.clearfix:after {
     visibility: hidden;
     display: block;
     font-size: 0;
     content: " ";
     clear: both;
     height: 0;
     }
.clearfix { display: inline-block; }
/* start commented backslash hack \*/
* html .clearfix { height: 1%; }
.clearfix { display: block; }
/* close commented backslash hack */
!

JS 

              
                var animateUpdates = function(){
	
$('.tr-hello').fadeIn(600, function() {
	$('.tr-2015').fadeIn(600).delay(1000);
});

setTimeout(function() {
	$('.update-hello').addClass('hover clicked')
	$('.dashicons-update.icon-hello').addClass('notice-updating');
	$('.newversion-hello').replaceWith('<p class="newversion-hello">Updating...</p>');
	setTimeout(function() {
		$('.dashicons-update.icon-hello').removeClass('notice-updating dashicons-update').addClass('dashicons-yes');
		$('.newversion-hello').replaceWith('<p>Updated!</p>');
		$('.notice-hello').addClass('success');
		$('.description-hello').replaceWith('<p><strong>Hello Dolly</strong> You have version 1.6 installed.</p>');
	}, 3000);
}, 2000);

setTimeout(function() {
	$('.update-2015').addClass('hover clicked')
	$('.dashicons-update.icon-2015').addClass('notice-updating');
	$('.newversion-2015').replaceWith('<p class="newversion-2015">Updating...</p>');
	setTimeout(function() {
		$('.dashicons-update.icon-2015').removeClass('notice-updating dashicons-update').addClass('dashicons-yes');
		$('.newversion-2015').replaceWith('<p>Updated!</p>');
		$('.notice-2015').addClass('success');
		$('.description-2015').replaceWith('<p><strong>Twenty Fifteen</strong> You have version 1.5 installed.</p>');
	}, 1500);
}, 4000);

};

$(document).ready( animateUpdates );
!
999px

Console