Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs 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 its URL and the proper URL extension.

+ add another resource

JavaScript

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.

+ add another resource

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.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

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

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                .main-content
	.item.button-jittery(style="--bg-color: #f1c40f;")
		button Click Me!
		.name Subtlety
	
	.item.button-pulse(style="--bg-color: #e67e22")
		.button__wrapper
			.pulsing
			button Click Me!
		.name Dubstep
			
	.item.button-typewriter(style="--bg-color: #e74c3c")
		.button__wrapper
			button
				p Click Me!
		.name Typewriter
	
	.item.button-pressure(style="--bg-color: #9b59b6")
		button Click Me!
			marquee(scrollamount="12")
				span Your friends would do it.
				span Your mum would be proud.
				span Your partner would be so happy.
				span Your cat would love you for it.
		.name Social Pressure
	
	
	.item.button-hand(style="--bg-color: #3498db")
		button Click Me!
			.hands
		.name Handsy
	
	
	.item.button-100(style="--bg-color:#2ecc71")
		button Click Me!
			- for (var i=1; i<4; i++)
				.emoji
		.name You're 💯

	.item.button-parrot(style="--bg-color: #2c3e50")
		button Click Me!
			- for (var i=1; i<7; i++)
				.parrot
		.name Encouragement
				
	.item.button-rainbow(style="--bg-color: #ecf0f1")
		button Click Me!
			.rainbow
		.name Rainbow
		
	.item.footer(style="--bg-color: #7f8c8d")
		.explanation
			| Part of the 
			a(href="https://codepen.io/collection/XJNKLz/" target="_blank") CSS Animations collection here
			|  .

			footer
				a(href="https://twitter.com/meowlivia_" target="_blank")
					i.icon-social-twitter.icons
				a(href="https://github.com/oliviale" target="_blank")
					i.icon-social-github.icons
				a(href="https://dribbble.com/oliviale" target="_blank")
					i.icon-social-dribbble.icons
	
              
            
!

CSS

              
                body {
	color: #fff;
	font-family: "Rubik", sans-serif;
}

.item.footer {
	flex-wrap: wrap;
	padding: 5rem;
	text-align: center;
	font-size: 18px;
	line-height: 1.7;
	grid-column: span 1;
	@media screen and (min-width:823px) and (max-width:1223px) {
		grid-column: span 2;
	}
	a {
		text-decoration: none;
		color: #fff;
		padding: 3px 0;
		border-bottom: 1px dashed;
		&:hover {
			border-bottom: 1px solid;
		}
	}
}

footer {
	margin-top: 1.5rem;
	a {
		text-decoration: none;
		display: inline-block;
		width: 45px;
		height: 45px;
		border-radius: 50%;
		background: transparent;
		border: 1px dashed #fff;
		color: #fff;
		margin: 5px;
		&:hover {
			background: rgba(255, 255, 255, 0.1);
		}
		.icons {
			margin-top: 8px;
			display: inline-block;
			font-size: 20px;
			&:before {
				position: relative;
			}
		}
	}
}

* {
	box-sizing: border-box;
	&:before,
	&:after {
		content: "";
		position: absolute;
	}
}

.main-content {
	display: grid;
	width: 100%;
	grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
	.item {
		display: grid;
		grid-template-rows: 1fr min-content;
		align-items: center;
		justify-content: center;
		height: 50vh;
		flex-wrap: wrap;
		background: var(--bg-color);
		&:not(.footer) {
			padding-top: 1rem;
		}
	}
}

button {
	background: transparent;
	color: #fff;
	border: 3px solid #fff;
	border-radius: 50px;
	padding: 0.8rem 2rem;
	font: 24px "Margarine", sans-serif;
	outline: none;
	cursor: pointer;
	position: relative;
	transition: 0.2s ease-in-out;
	letter-spacing: 2px;
}

.name {
	width: 100%;
	text-align: center;
	padding: 0 0 3rem;
	font: 500 14px 'Rubik', sans-serif;
	letter-spacing: .5px;
	text-transform: uppercase;
	text-shadow: 0 1px 1px rgba(0,0,0,0.4);
}

.button__wrapper {
	display: inline-block;
	position: relative;
	width: 200px;
	height: 65px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.button-pulse {
	button {
		background: var(--bg-color);
		width: 100%;
		height: 100%;
		position: absolute;
		top: 0;
		left: 0;
		z-index: 2;
	}
	.button__wrapper:hover .pulsing {
		&:before {
			animation: pulsing 0.2s linear infinite;
		}
		&:after {
			animation: pulsing1 0.2s linear infinite;
		}
	}
}

.pulsing {
	width: 99%;
	height: 99%;
	border-radius: 50px;
	z-index: 1;
	position: relative;

	&:before,
	&:after {
		width: 100%;
		height: 100%;
		border: inherit;
		top: 0;
		left: 0;
		z-index: 0;
		background: #fff;
		border-radius: inherit;
		animation: pulsing 2.5s linear infinite;
	}
	&:after {
		animation: pulsing1 2.5s linear infinite;
	}
}

@keyframes pulsing {
	0% {
		opacity: 1;
		transform: scaleY(1) scaleX(1);
	}
	20% {
		opacity: 0.5;
	}
	70% {
		opacity: 0.2;
		transform: scaleY(1.8) scaleX(1.4);
	}
	80% {
		opacity: 0;
		transform: scaleY(1.8) scaleX(1.4);
	}
	90% {
		opacity: 0;
		transform: scaleY(1) scaleX(1);
	}
}
@keyframes pulsing1 {
	0% {
		opacity: 1;
		transform: scaleY(1) scaleX(1);
	}
	20% {
		opacity: 0.5;
	}
	70% {
		opacity: 0.2;
		transform: scaleY(1.3) scaleX(1.15);
	}
	80% {
		opacity: 0;
		transform: scaleY(1.3) scaleX(1.15);
	}
	90% {
		opacity: 0;
		transform: scaleY(1) scaleX(1);
	}
}

.button-typewriter {
	button {
		width: 100%;
		height: 100%;
	}
	p {
		animation: typing 4s steps(12) infinite;
		display: inline-block;
		overflow: hidden;
		white-space: nowrap;
	}
	.button__wrapper:hover p {
		animation: blink 0.3s infinite;
	}
}

@keyframes typing {
	0% {
		width: 0;
	}
	50% {
		width: 100%;
	}
	55%,
	65%,
	75% {
		opacity: 1;
	}
	60%,
	70% {
		opacity: 0;
	}
	80% {
		width: 100%;
	}
	100% {
		width: 0;
	}
}

.button-parrot {
	.parrot {
		position: absolute;
		width: 60px;
		text-align: center;
		animation: blink 0.8s infinite;
		color: transparent;
		&:before {
			content: "Click Me!";
		}
		&:nth-child(1) {
			top: -30px;
			left: -40px;
			font: 12px/1 "Margarine", sans-serif;
			transform: rotate(-20deg);
			animation-duration: 0.5s;
		}
		&:nth-child(2) {
			font: 12px/1 "Margarine", sans-serif;
			right: -40px;
			top: -20px;
			transform: rotate(15deg);
			animation-duration: 0.3s;
		}
		&:nth-child(3) {
			font: 16px/1 "Margarine", sans-serif;
			top: -60px;
			left: 15px;
			transform: rotate(10deg);
			animation-duration: 1s;
		}
		&:nth-child(4) {
			font: 18px/1 "Margarine", sans-serif;
			top: -70px;
			left: 95px;
			transform: rotate(2deg);
			animation-duration: 0.7s;
		}
		&:nth-child(5) {
			font: 14px/1 "Margarine", sans-serif;
			top: 80px;
			left: 105px;
			transform: rotate(-20deg);
			animation-duration: 0.8s;
		}
		&:nth-child(6) {
			font: 12px/1 "Margarine", sans-serif;
			top: 80px;
			left: 5px;
			transform: rotate(10deg);
			animation-duration: 1.2s;
		}
	}
	button:hover .parrot:before {
		content: "Do it!";
		width: 70px;
	}
}

@keyframes blink {
	25%,
	75% {
		color: transparent;
	}
	40%,
	60% {
		color: #fff;
	}
}

.button-hand button {
	&:before {
		content: "👇";
		font-size: 60px;
		transform: scaleX(-1);
		right: 0px;
		top: -68px;
		animation: up-down 1s infinite;
	}
	.hands {
		&:before,
		&:after {
			content: "👇";
			font-size: 40px;
			opacity: 0;
			transition: 0.4s ease-in-out;
		}
		&:before {
			transform: rotate(-60deg);
			left: -45px;
			top: -10px;
		}
		&:after {
			transform: rotate(170deg);
			right: 30px;
			top: 50px;
		}
	}
	&:hover .hands {
		&:before {
			opacity: 1;
			left: -35px;
		}
		&:after {
			opacity: 1;
			top: 40px;
		}
	}
}

@keyframes up-down {
	50% {
		margin-top: -20px;
	}
}

.button-100 {
	.emoji {
		position: absolute;
		top: -45px;
		left: 0;
		width: 35px;
		height: 35px;
		overflow: hidden;
		&:before {
			content: "💯";
			display: inline-block;
			animation: give-score 2.5s infinite;
			position: relative;
			top: 0;
		}
		&:nth-child(2) {
			left: 0;
			right: 0;
			margin: auto;
			&:before {
				animation: give-score 2.5s infinite 0.2s;
			}
		}
		&:nth-child(3) {
			left: auto;
			right: 0;
			&:before {
				animation: give-score 2.5s infinite 0.4s;
			}
		}
	}
	button:hover .emoji:before {
		content: "👏";
		transition: 0.5s ease;
	}
}

@keyframes give-score {
	30%,
	80% {
		top: 0;
	}
	40%,
	70% {
		top: 50px;
	}
}

.button-pressure {
	marquee {
		position: absolute;
		width: 90%;
		top: 125%;
		left: 5%;
		font: 18px/1 "Margarine", sans-serif;
		span {
			display: inline-block;
			height: 20px;
			&:not(:last-child) {
				margin-right: 130px;
			}
		}
	}
	button:before {
		content: "OMG YAS";
		transition: 0.5s ease;
		left: 0;
		right: 0;
		margin: auto;
		top: -15px;
		font-size: 12px;
		opacity: 0;
	}
	button:hover:before {
		animation: omg-yes 1s;
	}
}

.button-rainbow button {
	animation: rainbow 3s infinite, heartbeat 0.6s infinite;
	background: #c0392b;
	.rainbow {
		width: 120px;
		height: 120px;
		border-radius: 50%;
		position: absolute;
		left: 0;
		right: 0;
		margin: auto;
		top: -40px;
		transition: 0.5s ease;
		opacity: 0;
		transform: rotate(0);
		&:before {
			content: "🌈";
			left: 0;
		}
	}
	&:hover .rainbow {
		opacity: 1;
		animation: rotate-nonstop 0.2s infinite;
	}
	+ .name {
		color: #444;
	}
}

@keyframes rotate-nonstop {
	50% {
		transform: rotate(92deg);
	}
}

@keyframes omg-yes {
	50% {
		opacity: 1;
	}
	100% {
		top: -50px;
	}
}

@keyframes rainbow {
	0% {
		background: #1abc9c;
	}
	10% {
		background: #2ecc71;
	}
	20% {
		background: #3498db;
	}
	30% {
		background: #9b59b6;
	}
	40% {
		background: #e74c3c;
	}
	50% {
		background: #e67e22;
	}
	60% {
		background: #f1c40f;
	}
	70% {
		background: #2c3e50;
	}
	80% {
		background: #9b59b6;
	}
}

.button-jittery button {
	animation: jittery 4s infinite;
	&:hover {
		animation: heartbeat 0.2s infinite;
	}
}

@keyframes jittery {
	5%,
	50% {
		transform: scale(1);
	}
	10% {
		transform: scale(0.9);
	}
	15% {
		transform: scale(1.15);
	}
	20% {
		transform: scale(1.15) rotate(-5deg);
	}
	25% {
		transform: scale(1.15) rotate(5deg);
	}
	30% {
		transform: scale(1.15) rotate(-3deg);
	}
	35% {
		transform: scale(1.15) rotate(2deg);
	}
	40% {
		transform: scale(1.15) rotate(0);
	}
}

@keyframes heartbeat {
	50% {
		transform: scale(1.1);
	}
}

              
            
!

JS

              
                
              
            
!
999px

Console