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

              
                <div class="content">
	<div class="modal-links">
		<div class="modal-link e-400">
			<span class="modal-button">400</span>
			<input type="checkbox" class="modal-launcher">
			<div class="modal-window">
				<h2>Bad Request</h2>
				<p>The request is malformed.</p>
				<p>The client’s HTTP request does not conform to the HTTP protocol’s standards. Please, check it.</p>
				<div class="demon">
					<div class="hole"></div>
					<div class="cartel">
						https://www.domain.com/%%%400_bad_request_error/
					</div>
					<div class="body"></div>
					<div class="arms"></div>
					<div class="eyes"></div>
					<div class="mouth"></div>
					<div class="horns"></div>
				</div>
			</div>
			<div class="modal-overlay"></div>
		</div>
		<div class="modal-link e-401">
			<span class="modal-button">401</span>
			<input type="checkbox" class="modal-launcher">
			<div class="modal-window">
				<h2>Unauthorized</h2>
				<p>This page isn't working.</p>
				<p>Sorry, but you are not authorized. Access is allowed only for registerd users.</p>
				<div class="demon">
					<div class="hole"></div>
					<div class="key"></div>
					<div class="login"></div>
					<div class="body"></div>
					<div class="arms"></div>
					<div class="eyes"></div>
					<div class="mouth"></div>
					<div class="horns"></div>
				</div>
			</div>
			<div class="modal-overlay"></div>
		</div>
		<div class="modal-link e-403">
			<span class="modal-button">403</span>
			<input type="checkbox" class="modal-launcher">
			<div class="modal-window">
				<h2>Forbidden</h2>
				<p>You shall not pass!</p>
				<p>We are sorry, but you do not have access to this page or resource. Run, you fools!</p>
				<div class="demon">
					<div class="hole"></div>
					<div class="prohibited"></div>
					<div class="body"></div>
					<div class="arms"></div>
					<div class="eyes"></div>
					<div class="mouth"></div>
					<div class="horns"></div>
				</div>
			</div>
			<div class="modal-overlay"></div>
		</div>
		<div class="modal-link e-404">
			<span class="modal-button">404</span>
			<input type="checkbox" class="modal-launcher">
			<div class="modal-window">
				<h2>Not Found</h2>
				<p>Sorry, nothing found.</p>
				<p>The requested resource has been deleted or moved to a different location.</p>
				<div class="demon">
					<div class="hole"></div>
					<div class="loupe"></div>
					<div class="body"></div>
					<div class="arms"></div>
					<div class="eyes"></div>
					<div class="mouth"></div>
					<div class="horns"></div>
				</div>
			</div>
			<div class="modal-overlay"></div>
		</div>
		<div class="modal-link e-500">
			<span class="modal-button">500</span>
			<input type="checkbox" class="modal-launcher">
			<div class="modal-window">
				<h2>Internal Server Error</h2>
				<p>Something were wrong at our end.</p>
				<p>Don't worry, it's not you - it's us.</p>
				<p>Sorry about that.</p>
				<div class="demon">
					<div class="hole"></div>
					<div class="cable left">
						<div class="hand"></div>
					</div>
					<div class="cable right">
						<div class="hand"></div>
					</div>
					<div class="body"></div>
					<div class="arms"></div>
					<div class="eyes"></div>
					<div class="mouth"></div>
					<div class="horns"></div>
				</div>
			</div>
			<div class="modal-overlay"></div>
		</div>
	</div>
</div>
              
            
!

CSS

              
                @import url('https://fonts.googleapis.com/css2?family=Varela+Round&display=swap');

:root {
	--dm1: #f0464d;
	--dm2: #b8343a;
	--dm3: #631e24;
	--ellastic: linear(0 0%, 0 2.27%, 0.02 4.53%, 0.04 6.8%, 0.06 9.07%, 0.1 11.33%, 0.14 13.6%, 0.25 18.15%, 0.39 22.7%, 0.56 27.25%, 0.77 31.8%, 1 36.35%, 0.89 40.9%, 0.85 43.18%, 0.81 45.45%, 0.79 47.72%, 0.77 50%, 0.75 52.27%, 0.75 54.55%, 0.75 56.82%, 0.77 59.1%, 0.79 61.38%, 0.81 63.65%, 0.85 65.93%, 0.89 68.2%, 1 72.7%, 0.97 74.98%, 0.95 77.25%, 0.94 79.53%, 0.94 81.8%, 0.94 84.08%, 0.95 86.35%, 0.97 88.63%, 1 90.9%, 0.99 93.18%, 0.98 95.45%, 0.99 97.73%, 1 100%);
}

body {
	font-family: "Varela Round", sans-serif;
	font-size: 1em;
	margin: 0;
	background: 
		radial-gradient(circle at 50% 150%, #FF9800, #fff0), 
		radial-gradient(circle at 50% -50%, #FF9800, #ffffff);
	height: 100vh;
	display: flex;
	justify-content: center;
	flex-direction: column;
}
.content {
	text-align: center;
	position: relative;
	height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
}

.content:before,
.content:after {
	content: "YOUR ERROR";
	position: absolute;
	margin-top: -6em;
	width: 100vw;
	left: 0;
	font-size: 1.85em;
	color: var(--dm3);
	transition: all 0.5s ease 0s;
	text-shadow: 0 0px 0px #f1f1f185, 0 -1px 1px #0008, 0 1px 1px #fff8;
}

.content:after {
	content: "RIGHT HERE";
	margin-top: 6.5em;
}

.content:has(.modal-link:hover):before, 
.content:has(.modal-link:hover):after {
	color: #fffe;
}

.content:has(.modal-link.e-400:hover):before, 
.content:has(.modal-link.e-400:hover):after {
	color: #b87b34;
}
.content:has(.modal-link.e-401:hover):before, 
.content:has(.modal-link.e-401:hover):after {
	color: #29b473;
}
.content:has(.modal-link.e-403:hover):before, 
.content:has(.modal-link.e-403:hover):after {
	color: #6234b8;
}
.content:has(.modal-link.e-404:hover):before, 
.content:has(.modal-link.e-404:hover):after {
	color: #3457b8
}
.content:has(.modal-link.e-500:hover):before, 
.content:has(.modal-link.e-500:hover):after {
	color: #b8343a
}

.modal-link {
	position: relative;
	display: inline-block;
}

.modal-button {	
	position: relative;
	text-decoration: none;
	margin: 0.15em;
	display: inline-block;
	padding: 0.25em 0.65em;
	border-radius: 10px;
	transition: all 0.2s ease 0s;
	background: var(--dm1);
	outline: none;
	cursor: pointer;
	color: #fffe;
	font-size: 2em;
	border-bottom: 5px solid var(--dm2);
	box-shadow: 0px 6px 6px -3px var(--dm1);
	text-shadow: 0 -1px 1px var(--dm3), 0 1px 1px var(--dm2);
}

.modal-link:hover .modal-button {
	box-shadow: 0px 0px 2px var(--dm3), 0px 1px 2px var(--dm3), 0px 0px 35px 0px var(--dm1);
	border-bottom: 1px solid var(--dm3);
	text-shadow: 0px 0px 2px var(--dm1), 0px 0px 1px var(--dm1);
	transform: translateY(4px);
	transition: all 0.2s ease 0s;
	/*margin: 4px auto 0 auto;*/
	background: var(--dm2);
	transition: all 0.2s ease 0s;
	color: #fff;
	text-shadow: 0 2px 2px var(--dm3), 0 -2px 2px var(--dm1);
}

.modal-link:active .modal-button {
	color: #fff;
	text-shadow: 0 0 1px #fff, 0 0 3px #fff, 0 0 5px #fff;
	box-shadow: 2px 2px 2px #ffffff4a, 0px 0px 35px 0px #ffffff;
}

input.modal-launcher {
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
	margin: 0;
	opacity: 0;
	cursor: pointer;
}	

input.modal-launcher:checked {
	position: fixed;
	width: 30px;
	height: 30px;
	width: 100%;
	height: 100%;
	right: 0;
	top: 0;
	z-index: 3;
	left: inherit;
}

.modal-window {	
	cursor: default;
	background: #F3F3F3;
	box-shadow: 0px 5px 20px -10px var(--dm1), 0 1vmin 2vmin 0 #0004;
	position: fixed;
	z-index: 333;
	padding: 1.75em 2em 2em 1.75em;
	border-radius: 2px;
	box-sizing: border-box;
	margin-top: 150vh;
	text-align: justify;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	color: #353535;
	transition: all 1s var(--ellastic) 0s;
	min-width: 51vmin;
}	

.modal-window h2 {
	color: var(--dm1);
	margin-top: 0;
	margin-bottom: 1vmin;
	text-align: center;
	font-size: 4.25vmin;
	font-weight: normal;
	text-shadow: -1px -1px 1px #fff, 1px 1px 1px #fff, 1px 1px 2px #fff;
}

.modal-window p {	
	margin: 1vmin 0 0 0;
	text-align: center;
	color: #858585;
	transform: scaleY(1.2);
}	

.modal-overlay {
	background: linear-gradient(180deg, var(--dm1), var(--dm2), var(--dm3), #fff0);
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1;
	width: 100%;
	height: 150vh;
	cursor: default;
	margin-top: -200vh;
	opacity: 0.8;
	transition: all 1s var(--ellastic) 0s;
}

.modal-overlay:before, .modal-overlay:after {
	background: var(--dm3);
	position: fixed;
	width: 1em;
	height: 1em;
	right: 0.375em;
	top: 0.375em;
	content: "";
	line-height: 1.5em;
	font-weight: bold;
	color: var(--dm1);
	font-size: 2em;
	line-height: 1em;
	border-radius: 2px;
	margin-top: -100vh;
	transition: all 0.5s ease 0s;
}

.modal-overlay:after {
	content: "\002B";
	transform: rotate(45deg);
	border-radius: 100%;
	background: transparent;	
}

input.modal-launcher:checked + .modal-window,
input.modal-launcher:checked + .modal-window + .modal-overlay, 
input.modal-launcher:checked + .modal-window + .modal-overlay:before, 
input.modal-launcher:checked + .modal-window + .modal-overlay:after  {
	margin-top: 0;
}	

input.modal-launcher:checked:hover + .modal-window + .modal-overlay:before { 
	background: #fff; 
}


@media (max-width:767px){
	.modal-window {
		width: 70%;
	}
}

@media (max-width:480px){
	.modal-window {
		width: 90%;
	}
}



.demon {
	background: #f0f0;
	width: 100%;
	height: 32vmin;
	position: relative;
	overflow: hidden;
	border-radius: 0 0 50% 50% / 0 0 19% 19%;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	margin-top: 3vmin;
}

.demon * {
	position: absolute;
}

.hole {
	background: linear-gradient(180deg, #cdd0d9, #b7b7b7);
	width: 100%;
	height: 12vmin;
	border-radius: 100%;
	bottom: 0;
}

.body {
	background: var(--dm1);
	width: 23vmin;
	height: 25vmin;
	z-index: 1;
	border-radius: 13vmin 13vmin 0 0;

}

/*input:checked + .modal-window h2,*/
/*input:checked + .modal-window p,*/
input:checked + .modal-window .demon * {
	animation: jump 1s var(--ellastic) 0.75s 1;
	animation-fill-mode: forwards; 
}

input:checked + .modal-window .demon .hole {
	animation: none; 
}

input:checked + .modal-window h2 {
	animation-delay: 0.85s;
}
/*
input:checked + .modal-window p {
animation-delay: 0.7s;
}
*/


.eyes {
	width: 14vmin;
	height: 5.5vmin;
	bottom: 13vmin;
	z-index: 2;
}

.eyes:before, .eyes:after {
	content: "";
	position: absolute;
	width: 5.5vmin;
	height: 5.5vmin;
	background: radial-gradient(circle at 50% 30%, #000 0.75vmin, #fff calc(0.75vmin + 1px));
	border: 0.35vmin solid var(--dm2);
	border-radius: 100%;
	box-sizing: border-box;
}

.eyes:after {
	right: 0;;
}


.arms {
	background: radial-gradient(circle at 2.65vmin 2.1vmin, var(--dm1) 2vmin, #fff0 calc(2vmin + 1px) 100%), radial-gradient(circle at calc(100% - 2.65vmin) 2.1vmin, var(--dm1) 2vmin, #fff0 calc(2vmin + 1px) 100%);
	width: 34vmin;
	height: 22vmin;
	z-index: 0;
}

.arms:before, .arms:after {
	content: "";
	position: absolute;
	width: 5vmin;
	height: 13vmin;
	background: #f3f0;
	border: 3.25vmin solid var(--dm1);
	border-top-width: 0;
	border-top-color: #fff0;
	border-right-width: 0;
	border-radius: 0 0 0 10vmin;
	top: 1vmin;
	left: 1vmin;
}

.arms:after {
	right: 1vmin;
	left: inherit;
	border-right-width: 3.25vmin;
	border-left: 0;
	border-radius: 0 0 10vmin 0;
}


.mouth {
	width: 2.2vmin;
	height: 2.2vmin;
	background: radial-gradient(circle at 50% 4.25vmin, pink 2.5vmin, #0006 calc(2.5vmin + 1px));
	border-radius: 100%;
	border: 0.75vmin solid var(--dm2);
	bottom: 8vmin;
	z-index: 1;
}


.horns {
	background: #fff0;
	width: 18vmin;
	height: 4vmin;
	bottom: 22.5vmin;
}

.horns:before, .horns:after {
	content: "";
	position: absolute;
	border: 2vmin solid #f3f2;
	border-color: #fff0 #fff0 var(--dm1) #fff0;
	border-width: 0 2vmin 4vmin 2vmin;
	transform: rotate(-30deg);
}

.horns:after {
	transform: rotate(30deg);
	right: 0;
}


.cable {
	background: #0ff0;
	width: 6vmin;
	height: 14.5vmin;
	margin-left: -29.8vmin;
	border-left: 1vmin solid var(--dm3);
	border-top: 1vmin solid var(--dm3);
	z-index: 1;
	border-radius: 3vmin 0 0 0;
}

.cable:before {
	content: "";
	position: absolute;
	width: 8vmin;
	height: 4vmin;
	left: -0.5vmin;
	top: calc(-6vmin + 1px);
	border: 1vmin solid var(--dm3);
	border-left: 0 solid #fff0;
	z-index: 1;
	border-radius: 1px 3vmin 3vmin 1px;
	clip-path: polygon(0 0, 100% 0, 100% 100%, 70% 100%, 70% 70%, 0 20%);
}

.cable:after {
	content: "";
	position: absolute;
	width: 3.75vmin;
	height: 4vmin;
	left: -3vmin;
	top: -7.4vmin;
	background: 
		linear-gradient(90deg, #fff0 1.35vmin, var(--dm3) calc(1.35vmin + 1px)), 
		linear-gradient(180deg, #fff0 1vmin, var(--dm3) calc(1vmin + 1px) 1.5vmin, #fff0 0 100%), 
		linear-gradient(0deg, #fff0 1vmin, var(--dm3) calc(1vmin + 1px) 1.5vmin, #fff0 0 100%);
	border-radius: 0 1vmin 1vmin 0;
	background-repeat: no-repeat;
	background-size: 100% 100%, 90% 100%, 90% 100%;
	background-position: 0 0, 100% 0, 100% 0;
}

.cable.right {
	margin-right: -29.8vmin;
	margin-left: inherit;
	transform: rotateY(180deg);
}

.cable.right:after {
	width: 4vmin;
	border-radius: 100%;
	right: 5vmin;
	left: inherit;
	transform: rotateY(180deg);
	background: radial-gradient(circle at 50% 68%, #fff 0 0.3vmin, #fff0 calc(0.3vmin + 1px) 100%), radial-gradient(circle at 50% 32%, #fff 0 0.35vmin, #fff0 calc(0.35vmin + 1px) 100%), var(--dm3);
}


.hand {
	width: 4vmin;
	height: 4vmin;
	background: var(--dm1);
	border-radius: 100%;
	top: -7.5vmin;
	z-index: 2;
	left: 1.1vmin;
}

.cable.left .hand:before {
	width: 2vmin;
	height: 0.5vmin;
	background: var(--dm3);
	content: "";
	position: absolute;
	border-radius: 0.5vmin 0 0 0.5vmin;
	left: -4vmin;
	top: 1.25vmin;
	box-shadow: 0 1.4vmin 0 var(--dm3);
}


@keyframes jump {
	0% { margin-bottom: -3vmin; }
	100% { margin-bottom: 0; }
}


.modal-links {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
}

.cartel {
	background: var(--dm2);
	color: #fff;
	bottom: 18.5vmin;
	z-index: 3;
	transform: rotate(-10deg);
	padding: 0.5vmin 0.6vmin;
	border-radius: 1vmin;
	font-size: 2.25vmin;
}

.cartel:before {
	content: "%%";
	background: var(--dm3);
	color: var(--dm1);
	position: absolute;
	left: calc(50% - 3vmin);
	padding: 0 1.1vmin;
}

.modal-link.e-400 {
	--dm1: #f08a46;
	--dm2: #b87b34;
	--dm3: #633a1e;
}

.modal-link.e-404 {
	--dm1: #4682f0;
	--dm2: #3457b8;
	--dm3: #1e2b63;
}

.modal-link.e-403 {
	--dm1: #8246f0;
	--dm2: #6234b8;
	--dm3: #3c1e63;
}

.modal-link.e-401 {
	--dm1: #24d683;
	--dm2: #29b473;
	--dm3: #1e634c;
}








.loupe {
	background: radial-gradient(circle at 50% 50%, #fff0 3.5vmin, var(--dm3) calc(3.5vmin + 1px));
	width: 11vmin;
	height: 11vmin;
	margin-left: -8.5vmin;
	bottom: 10.3vmin;
	z-index: 3;
	border-radius: 100%;
}

.loupe:before {
	content: "";
	position: absolute;
	background: var(--dm3);
	width: 2vmin;
	height: 12vmin;
	border-radius: 1vmin;
	transform: rotate(-64deg);
	left: -5vmin;
	top: -5vmin;
}


.e-404 .arms {
	background: radial-gradient(circle at 2.65vmin 2.1vmin, var(--dm1) 2vmin, #fff0 calc(2vmin + 1px) 100%);
}
.e-404 .arms:after {
	transform: rotatex(180deg) rotate(35deg);
	transform-origin: 50% 80%;
}

.e-404 .eyes:before {
	transform: scale(1.25);
}




.prohibited {
	width: 15vmin;
	height: 15vmin;
	background: linear-gradient(45deg, #fff0 0 9vmin, var(--dm3) 0 12vmin, #fff0 11vmin 100%), radial-gradient(#fff0 5vmin, var(--dm3) calc(5vmin + 1px));
	z-index: 3;
	border-radius: 100%;
	margin-left: 32vmin;
	bottom: 17vmin;
}

.prohibited:before {
	content: "";
	position: absolute;
	width: 1.75vmin;
	height: 28vmin;
	background: var(--dm3);
	border-radius: 1vmin;
	left: -26.5vmin;
	top: 4vmin;
	transform: rotate(4deg);
}

.prohibited:after {
	content: "";
	position: absolute;
	width: 4vmin;
	height: 4vmin;
	background: radial-gradient(ellipse at 48% 51%, var(--dm2) 1.5vmin, #fff0 calc(1.5vmin + 1px));
	background-repeat: no-repeat;
	border-radius: 3vmin 3vmin;
	left: -27.5vmin;
	top: 1vmin;
	transform: rotate(-38deg);
	border: 1vmin solid #fff0;
	border-bottom-color: var(--dm3);
	border-left-color: var(--dm3);
}




.e-403 .arms {
	background: radial-gradient(circle at 3vmin 2vmin, var(--dm1) 2vmin, #fff0 calc(2vmin + 1px) 100%), radial-gradient(circle at calc(100% - 4.2vmin) 3.25vmin, var(--dm1) 2vmin, #fff0 calc(2vmin + 1px) 100%);
	width: 40vmin;
}

.e-403 .arms:before {
	transform: rotate(-15deg);
	transform-origin: 0% 0%
}

.e-403 .arms:after {
	transform: rotate(15deg);
	transform-origin: 30% 0%;
	right: 2vmin;
}















.login {
	background: repeating-linear-gradient(180deg, var(--dm1) 0 0.5vmin, #fff0 calc(0.5vmin + 1px) 2vmin, #fff0 calc(2vmin + 1px) calc(2vmin + 2px)), var(--dm2);
	width: 18vmin;
	height: 11vmin;
	z-index: 2;
	margin-left: 26vmin;
  bottom: 19.5vmin;
	transform: rotate(10deg);
	border-radius: 1vmin;
	background-size: 40% 70%;
	background-repeat: no-repeat;
	background-position: 85% 70%;
}

.login:before {
	content: "";
	position: absolute;
	background: var(--dm1);
	width: 4vmin;
	height: 4vmin;
	left: 3vmin;
	top: 1.5vmin;
	border-radius: 100%;
}


.login:after {
	content: "";
	position: absolute;
	background: var(--dm1);
	width: 6vmin;
	height: 4vmin;
	left: 2vmin;
	top: 5.5vmin;
	border-radius: 100% 100% 10% 10%;
}

.key {
	background: radial-gradient(circle at 77% 50%, #fff0 0.5vmin, var(--dm3) calc(0.5vmin + 1px) 2.5vmin, #fff0 calc(2.5vmin + 1px) 100%);
	width: 12vmin;
	height: 6vmin;
	z-index: 3;
	margin-left: -35vmin;
	bottom: 21vmin;
	transform: rotate(45deg);
}

.key:before {
	content: "";
	position: absolute;
	width: 65%;
	height: 50%;
	background: conic-gradient(from -45deg at 38% 90%, var(--dm3) 0 25%, #fff0 0 100%), conic-gradient(from -45deg at 62% 75%, var(--dm3) 0 25%, #fff0 0 100%), conic-gradient(from -45deg at 80% 85%, var(--dm3) 0 25%, #fff0 0 100%), conic-gradient(from -45deg at 20% 80%, var(--dm3) 0 25%, #fff0 0 100%);
	top: 1vmin;
	background-repeat: no-repeat;
	border-radius: 0.5vmin 0 0;
}
              
            
!

JS

              
                
              
            
!
999px

Console