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 id="background-wrap">
    <div class="bubble x1"></div>
    <div class="bubble x2"></div>
    <div class="bubble x3"></div>
    <div class="bubble x4"></div>
    <div class="bubble x5"></div>
    <div class="bubble x6"></div>
    <div class="bubble x7"></div>
    <div class="bubble x8"></div>
    <div class="bubble x9"></div>
    <div class="bubble x10"></div>
</div>
              
            
!

CSS

              
                body {
	background: #00b4ff;
	color: #333;
	font: 100% Lato, Arial, Sans Serif;
	height: 100vh;
	margin: 0;
	padding: 0;
	overflow-x: hidden;
}

#background-wrap {
    bottom: 0;
	left: 0;
	position: fixed;
	right: 0;
	top: 0;
	z-index: -1;
}

/* KEYFRAMES */

@-webkit-keyframes animateBubble {
    0% {
        margin-top: 1000px;
    }
    100% {
        margin-top: -100%;
    }
}

@-moz-keyframes animateBubble {
    0% {
        margin-top: 1000px;
    }
    100% {
        margin-top: -100%;
    }
}

@keyframes animateBubble {
    0% {
        margin-top: 1000px;
    }
    100% {
        margin-top: -100%;
    }
}

@-webkit-keyframes sideWays { 
    0% { 
        margin-left:0px;
    }
    100% { 
        margin-left:50px;
    }
}

@-moz-keyframes sideWays { 
    0% { 
        margin-left:0px;
    }
    100% { 
        margin-left:50px;
    }
}

@keyframes sideWays { 
    0% { 
        margin-left:0px;
    }
    100% { 
        margin-left:50px;
    }
}

/* ANIMATIONS */

.x1 {
    -webkit-animation: animateBubble 25s linear infinite, sideWays 2s ease-in-out infinite alternate;
	-moz-animation: animateBubble 25s linear infinite, sideWays 2s ease-in-out infinite alternate;
	animation: animateBubble 25s linear infinite, sideWays 2s ease-in-out infinite alternate;
	
	left: -5%;
	top: 5%;
	
	-webkit-transform: scale(0.6);
	-moz-transform: scale(0.6);
	transform: scale(0.6);
}

.x2 {
    -webkit-animation: animateBubble 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
	-moz-animation: animateBubble 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
	animation: animateBubble 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
	
	left: 5%;
	top: 80%;
	
	-webkit-transform: scale(0.4);
	-moz-transform: scale(0.4);
	transform: scale(0.4);
}

.x3 {
    -webkit-animation: animateBubble 28s linear infinite, sideWays 2s ease-in-out infinite alternate;
	-moz-animation: animateBubble 28s linear infinite, sideWays 2s ease-in-out infinite alternate;
	animation: animateBubble 28s linear infinite, sideWays 2s ease-in-out infinite alternate;
	
	left: 10%;
	top: 40%;
	
	-webkit-transform: scale(0.7);
	-moz-transform: scale(0.7);
	transform: scale(0.7);
}

.x4 {
    -webkit-animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	-moz-animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	
	left: 20%;
	top: 0;
	
	-webkit-transform: scale(0.3);
	-moz-transform: scale(0.3);
	transform: scale(0.3);
}

.x5 {
    -webkit-animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	-moz-animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	
	left: 30%;
	top: 50%;
	
	-webkit-transform: scale(0.5);
	-moz-transform: scale(0.5);
	transform: scale(0.5);
}

.x6 {
    -webkit-animation: animateBubble 21s linear infinite, sideWays 2s ease-in-out infinite alternate;
	-moz-animation: animateBubble 21s linear infinite, sideWays 2s ease-in-out infinite alternate;
	animation: animateBubble 21s linear infinite, sideWays 2s ease-in-out infinite alternate;
	
	left: 50%;
	top: 0;
	
	-webkit-transform: scale(0.8);
	-moz-transform: scale(0.8);
	transform: scale(0.8);
}

.x7 {
    -webkit-animation: animateBubble 20s linear infinite, sideWays 2s ease-in-out infinite alternate;
	-moz-animation: animateBubble 20s linear infinite, sideWays 2s ease-in-out infinite alternate;
	animation: animateBubble 20s linear infinite, sideWays 2s ease-in-out infinite alternate;
	
	left: 65%;
	top: 70%;
	
	-webkit-transform: scale(0.4);
	-moz-transform: scale(0.4);
	transform: scale(0.4);
}

.x8 {
    -webkit-animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	-moz-animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	animation: animateBubble 22s linear infinite, sideWays 3s ease-in-out infinite alternate;
	
	left: 80%;
	top: 10%;
	
	-webkit-transform: scale(0.3);
	-moz-transform: scale(0.3);
	transform: scale(0.3);
}

.x9 {
    -webkit-animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	-moz-animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	animation: animateBubble 29s linear infinite, sideWays 4s ease-in-out infinite alternate;
	
	left: 90%;
	top: 50%;
	
	-webkit-transform: scale(0.6);
	-moz-transform: scale(0.6);
	transform: scale(0.6);
}

.x10 {
    -webkit-animation: animateBubble 26s linear infinite, sideWays 2s ease-in-out infinite alternate;
	-moz-animation: animateBubble 26s linear infinite, sideWays 2s ease-in-out infinite alternate;
	animation: animateBubble 26s linear infinite, sideWays 2s ease-in-out infinite alternate;
	
	left: 80%;
	top: 80%;
	
	-webkit-transform: scale(0.3);
	-moz-transform: scale(0.3);
	transform: scale(0.3);
}

/* OBJECTS */

.bubble {
    -webkit-border-radius: 50%;
	-moz-border-radius: 50%;
	border-radius: 50%;
	
    -webkit-box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2), inset 0px 10px 30px 5px rgba(255, 255, 255, 1);
	-moz-box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2), inset 0px 10px 30px 5px rgba(255, 255, 255, 1);
	box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2), inset 0px 10px 30px 5px rgba(255, 255, 255, 1);
	
    height: 200px;
	position: absolute;
	width: 200px;
}

.bubble:after {
    background: -moz-radial-gradient(center, ellipse cover,  rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 70%); /* FF3.6+ */
    background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,rgba(255,255,255,0.5)), color-stop(70%,rgba(255,255,255,0))); /* Chrome,Safari4+ */
    background: -webkit-radial-gradient(center, ellipse cover,  rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 70%); /* Chrome10+,Safari5.1+ */
    background: -o-radial-gradient(center, ellipse cover,  rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 70%); /* Opera 12+ */
    background: -ms-radial-gradient(center, ellipse cover,  rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 70%); /* IE10+ */
    background: radial-gradient(ellipse at center,  rgba(255,255,255,0.5) 0%,rgba(255,255,255,0) 70%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#80ffffff', endColorstr='#00ffffff',GradientType=1 ); /* IE6-9 fallback on horizontal gradient */

	-webkit-border-radius: 50%;
	-moz-border-radius: 50%;
	border-radius: 50%;
	
    -webkit-box-shadow: inset 0 20px 30px rgba(255, 255, 255, 0.3);
	-moz-box-shadow: inset 0 20px 30px rgba(255, 255, 255, 0.3);
	box-shadow: inset 0 20px 30px rgba(255, 255, 255, 0.3);
	
	content: "";
    height: 180px;
	left: 10px;
	position: absolute;
	width: 180px;
}
              
            
!

JS

              
                
              
            
!
999px

Console