<link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro" rel="stylesheet">
<div class="pen">
  <svg id="container" viewBox="0 0 400 400">
     <path id="target" />
  </svg>
</div>
<a class="created-by" target="_blank" href="https://popmotion.io">
  Pen created with
  <svg class="logo" width="125" height="25" viewBox="0 0 200 41">
    <defs>
      <linearGradient x1="50%" y1="0%" x2="50%" y2="100%" id="popmotion-gradient">
        <stop stop-color="#FF1C68" offset="0%"/>
        <stop stop-color="#FF1C68" offset="100%"/>
      </linearGradient>
    </defs>
    <path
          fill="url(#popmotion-gradient)"
          d="M15.65.85c6.3 0 9.6 4.17 9.6 9.4 0 5.93-4.3 11.33-11.78 11.33H8.8l-1.04 10.2H.28L3.48.85h12.17zm-5.4 7.03l-.77 7.03h4.26c2.54 0 4.04-1.67 4.04-3.9 0-1.58-1-3.12-3.13-3.12h-4.4zM23.36 21.85c0-7 5.85-12.2 12.8-12.2 5.98 0 10.65 4.4 10.65 10.43 0 7.03-6.02 12.15-12.78 12.15-6.12 0-10.66-4.35-10.66-10.38zm16.28-1.27c0-2.4-1.58-4.4-4.03-4.4-2.85 0-5.03 2.4-5.03 5.2 0 2.33 1.55 4.32 4 4.32 2.9 0 5.07-2.4 5.07-5.12zM55.66 10.1l.1 2.3s1.86-2.75 6.12-2.75c4.94 0 8.8 4.17 8.8 10.25 0 7.03-5.36 12.33-11.02 12.33-3.9 0-5.5-2.35-5.5-2.35l-1.13 10.97h-7.2l3.2-30.75h6.63zm8 10.3c0-2.32-1.55-4.22-4.14-4.22-2.77 0-4.13 2.18-4.13 2.18l-.55 5.12s.9 2.18 3.67 2.18c2.95 0 5.13-2.45 5.13-5.26zM91.18 31.78h-7.2l1.35-12.8c0-.13.05-.4.05-.67 0-1.26-.64-1.98-1.95-1.98-1.68 0-3.54 1.67-3.54 1.67l-1.46 13.78h-7.2L73.5 10.1h6.8l.1 2.18s2.98-2.54 6.3-2.54c3.53 0 4.66 2.63 4.66 2.63s3.27-2.63 6.94-2.63c4.86 0 7.08 2.72 7.08 7.12 0 .54-.05 1.13-.1 1.68l-1.35 13.24H96.7l1.33-12.38c.05-.45.05-.64.05-.9 0-1.5-.77-2.18-1.95-2.18-1.77 0-3.5 1.72-3.5 1.72l-1.45 13.74M106.16 21.85c0-7 5.85-12.2 12.8-12.2 5.98 0 10.65 4.4 10.65 10.43 0 7.03-6.02 12.15-12.78 12.15-6.13 0-10.66-4.35-10.66-10.38zm16.28-1.27c0-2.4-1.6-4.4-4.03-4.4-2.85 0-5.03 2.4-5.03 5.2 0 2.33 1.54 4.32 4 4.32 2.9 0 5.07-2.4 5.07-5.12zM140.4 10.1l.5-4.76h-7.2l-.5 4.76h-3.13l-.68 6.53h3.12l-1.6 15.15h7.23l1.58-15.15h5.18l-1.57 15.15h7.26l2.25-21.68H140.4M146.46.9l-.64 6.16h7.5l.62-6.16h-7.48M153.05 21.85c0-7 5.85-12.2 12.8-12.2 5.97 0 10.65 4.4 10.65 10.43 0 7.03-6.04 12.15-12.8 12.15-6.12 0-10.65-4.35-10.65-10.38zm16.28-1.27c0-2.4-1.6-4.4-4.04-4.4-2.86 0-5.04 2.4-5.04 5.2 0 2.33 1.54 4.32 4 4.32 2.9 0 5.07-2.4 5.07-5.12zM198 31.78h-7.2l1.26-12.02c.05-.4.05-.63.05-.95 0-1.5-.76-2.62-2.62-2.62-2.4 0-4.36 1.95-4.36 1.95l-1.4 13.65h-7.2l2.25-21.68h6.9v2.3s2.9-2.7 6.44-2.7c3.95 0 7.3 2.53 7.3 7.75 0 .4-.04 1-.08 1.5L198 31.77"
          />
  </svg>
</a>
body {
  --pink: #FF1C68;
  --green: #14D790;
  --blue: #198FE3;
  --white: #fff;
  background: var(--white);
  font-family: 'Source Sans Pro', sans-serif;
  height: 100vh;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.pen {
  flex: 1 1 100%;
}

#shape-defs {
  display: none;
}

#container {
   height: 600px;
   width: 600px; 

  path {
    fill: var(--pink);
  }
}

.created-by {
  flex: 0 0 50px;
  background: #fff;
  color: #222;
  text-decoration: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-right: 30px;
}

.logo {
  margin-left: 10px;
}

.pen {
  display: flex;
  justify-content: center;
  align-items: center;
}

.box {
  width: 100px;
  height: 100px;
  background: var(--blue);
  border-radius: 50%;
}
View Compiled
const { styler, tween, easing } = window.popmotion;

const shape = styler(document.querySelector('#target'));
const star = "M103.04 162.52L39.36 196l12.16-70.9L0 74.86 71.2 64.5 103.04 0l31.85 64.52 71.2 10.35-51.57 50.22L166.7 196z";
const circle = "M86,171.5 C38.7796539,171.5 0.5,133.220346 0.5,86 C0.5,38.7796539 38.7796539,0.5 86,0.5 C133.220346,0.5 171.5,38.7796539 171.5,86 C171.5,133.220346 133.220346,171.5 86,171.5 Z";

tween({
  duration: 700,
  ease: easing.easeInOut,
  flip: Infinity
}).pipe(flubber.interpolate(circle, star, { maxSegmentLength: 2 }))
  .start(shape.set('d'));
View Compiled

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://unpkg.com/popmotion/dist/popmotion.global.min.js
  2. https://unpkg.com/flubber@0.3.0