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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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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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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-.

We offer two popular choices: Autoprefixer (which processes your CSS server-side) and -prefix-free (which applies prefixes via a script, client-side).

Add External Stylesheets/Pens

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You can apply CSS to your Pen from any stylesheet on the web. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself.

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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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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.

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You can apply a script from anywhere on the web to your Pen. Just put a URL to it here and we'll add it, in the order you have them, before the JavaScript in the Pen itself.

If the script you link to has the file extension of a preprocessor, we'll attempt to process it before applying.

You can also link to another Pen here, and we'll pull the JavaScript from that Pen and include it. If it's using a matching preprocessor, we'll combine the code before preprocessing, so you can use the linked Pen as a true dependency.

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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.

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Using packages here is powered by esm.sh, which makes packages from npm not only available on a CDN, but prepares them for native JavaScript ESM usage.

All packages are different, so refer to their docs for how they work.

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HTML 

              
                <head>
 <link href="https://use.fontawesome.com/releases/v5.6.1/css/all.css" rel="stylesheet">
   <link href="https://fonts.googleapis.com/css2?family=Lato&display=swap" rel="stylesheet">
</head>

<h1>Jiggly UI Animation</h1>
<p>Hover us and enjoy the satisfying soft UI designs like mochi!</p>

 <div class ="frame">
   
 <a href="#" class="btn btn1">
 Click Me!
</a>
 
  <a href="#" class="btn btn2">
 Click Me!
</a>
   
 <a href="#" class="btn btn3">
 Click Me!
</a>
   
 <a href="#" class="btn btn4">
 Click Me!
</a>
 
</div> 
  <p style="font-family: Andale Mono, monospace;">
    DEERBUCKS.DESIGNING</p>
!

CSS 

              
                body {
  background: #e0e5ec;
}
h1 {
  margin-top: 100px;
  position: relative;
  text-align: center;
  color: #353535;
  font-size: 50px;
  font-family: "Cormorant Garamond", serif;
}
h1:before{
  position: absolute;
  content: "";
  bottom: -10px;
  width: 55%;
  height: 2px;
  background-color: #98d9e1;
background-image: linear-gradient(315deg, #98d9e1 0%, #d6aed6 74%);
}

p {
  font-family: 'Lato', sans-serif;
  font-weight: 300;
  text-align: center;
  font-size: 18px;
  color: #676767;
}

.frame {
  width: 90%;
  margin: 40px auto;
  text-align: center;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.btn {
    position: relative;
    padding: 10px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 30px auto;
    box-shadow:inset 2px 2px 2px 0px rgba(255,255,255,.5),
    inset -7px -7px 10px 0px rgba(0,0,0,.1),
   7px 7px 20px 0px rgba(0,0,0,.1),
   4px 4px 5px 0px rgba(0,0,0,.1);
   text-shadow:  0px 0px 6px rgba(255,255,255,.3),
              -4px -4px 6px rgba(116, 125, 136, .2);
  text-shadow: 2px 2px 3px rgba(255,255,255,0.5);
    border-radius: 50px;
    font-family: 'Lato', sans-serif;
    font-weight: bold;
    font-size: 26px;
    text-align: center;
    text-decoration: none;
    overflow: hidden;
}
.btn:hover {
    text-decoration: none;
    
}
.btn:active{
  color: #fff;
  box-shadow:  4px 4px 6px 0 rgba(255,255,255,.3),
              -4px -4px 6px 0 rgba(116, 125, 136, .2), 
    inset -4px -4px 6px 0 rgba(255,255,255,.2),
    inset 4px 4px 6px 0 rgba(0, 0, 0, .2);
}

.btn1{
  background-color: #e8d1ff;
  color: #ce9eff;
}

.btn2{
   color: #5cbdbb;
  background-color: #b2e0df;
}

.btn3{
   color: #ff84c1;
  background-color: #ffc1e0;
}

.btn4{
   color: #84c1ff;
  background-color: #b2d8ff;
}

.btn1:hover{
  animation: hoverShake 0.15s linear 3;
}
@keyframes hoverShake {
  0% {transform: skew(0deg,0deg);}
  25% {transform: skew(5deg, 5deg);}
  75% {transform: skew(-5deg, -5deg);}
  100% {transform: skew(0deg,0deg);}
}

.btn2:hover{
	animation: fluffy 0.8s linear 0s 1;
}
@keyframes fluffy {
	0%   { transform: scale(1.0, 1.0) translate(0%, 0%); }
	15%  { transform: scale(0.9, 0.9) translate(0%, 5%); }
	30%  { transform: scale(1.3, 0.8) translate(0%, 10%); }
	50%  { transform: scale(0.8, 1.3) translate(0%, -10%); }
	70%  { transform: scale(1.1, 0.9) translate(0%, 5%); }
	100% { transform: scale(1.0, 1.0) translate(0%, 0%); }
}

.btn4:hover{
  animation: poyon 1.1s linear 0s 1;
}
@keyframes poyon {
  0%   { transform: scale(1.0, 1.0) translate(0%, 0%); }
  5%  { transform: scale(1.1, 0.9) translate(0%, 5%); }
  10%  { transform: scale(1.2, 0.8) translate(0%, 15%); }
  20%  { transform: scale(1.0, 1.0) translate(0%, 0%); }
  30%  { transform: scale(0.9, 1.2) translate(0%, -100%); }
  40%  { transform: scale(1.4, 0.6) translate(0%, 30%); }
  50%  { transform: scale(0.9, 1.1) translate(0%, -10%); }
  60%  { transform: scale(0.95, 1.2) translate(0%, -30%); }
  70%  { transform: scale(0.95, 1.2) translate(0%, -10%); }
  80%  { transform: scale(1.1, 0.9) translate(0%, 5%); }
  90%  { transform: scale(1.0, 1.0) translate(0%, 0%); }
  100% { transform: scale(1.0, 1.0) translate(0%, 0%); }
}

.btn3:hover{
  animation: mochi 0.8s linear 0s 1;
}
@keyframes mochi {
	0% {
		transform: scale(1, 0.8);
	}
	20% {
		transform: scale(0.8, 1.1);
	}
	95% {
		transform: scale(1, 1);
	}
	100% {
		transform: scale(1, 0.8);
	}
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JS
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