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HTML 

              
                <div id="app"></div>
!

CSS 

              
                * {
  box-sizing: border-box;
  background: #947cb0;
}
body {
  align-items: center;
  display: flex;
  justify-content: center;
  font-family: 'Arial', sans-serif;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  overflow: hidden;
}
.mask {
  position: fixed;
  top: 50%;
  left: 0;
  right: 0;
  bottom: 0;
  background: #947cb0;
}
.bear {
  width: 100%;
  background: transparent;
  transform: translate(0, 100%);
}
.bear__swear {
  display: none;
  position: absolute;
  left: 105%;
  top: 0;
  background: #fff;
  font-weight: bolder;
  padding: 10px;
  border-radius: 8px;
}
.bear__swear:before {
  content: '';
  background: #fff;
  position: absolute;
  top: 90%;
  right: 70%;
  height: 30px;
  width: 30px;
  clip-path: polygon(0 100%, 100% 0, 50% 0);
  -webkit-clip-path: polygon(0 100%, 100% 0, 50% 0);
}
.bear__wrap {
  width: 100px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-15%, -50%) rotate(5deg) translate(0, -75%);
  background: transparent;
}
.bear__arm-wrap {
  background: transparent;
  position: fixed;
  height: 30px;
  width: 90px;
  z-index: 4;
  top: 50%;
  left: 50%;
  transform: translate(0, -50%) rotate(0deg);
}
.bear__arm {
  background: transparent;
  transform-origin: left;
  position: absolute;
  height: 100%;
  width: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-35%, -50%) scaleX(1);
}
.bear__paw {
  background: #784421;
  border-radius: 100%;
  position: fixed;
  height: 30px;
  width: 30px;
  z-index: 10;
  top: 50%;
  left: 50%;
  transform-origin: right;
  transform: translate(80px, -15px) scaleX(0);
}
.checkbox {
  border-radius: 50px;
  height: 100px;
  position: fixed;
  width: 200px;
  z-index: 5;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.checkbox [type='checkbox'] {
  cursor: pointer;
  border-radius: 50px;
  position: absolute;
  outline: 0;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
  z-index: 10;
  height: 100%;
  width: 100%;
  margin: 0;
}
.checkbox__bg {
  background: #aaa;
  border-radius: 50px;
  height: 100%;
  width: 100%;
  z-index: 10;
}
.checkbox__indicator {
  background: transparent;
  height: 100%;
  width: 50%;
  border-radius: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.checkbox__indicator:after {
  content: '';
  border-radius: 100%;
  height: 85%;
  width: 85%;
  background: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
!

JS 

              
                const {
  React: { useState, useRef, useEffect, Fragment },
  ReactDOM: { render },
  gsap: {
    set,
    to,
    timeline,
    utils: { random } } } =

window;
const rootNode = document.getElementById('app');
const armLimit = random(0, 3);
const headLimit = random(armLimit + 1, armLimit + 3);
const angerLimit = random(headLimit + 1, headLimit + 3);
const armDuration = 0.2;
const bearDuration = 0.25;
const checkboxDuration = 0.25;
const pawDuration = 0.1;

const SOUNDS = {
  ON: new Audio('https://assets.codepen.io/605876/switch-on.mp3'),
  OFF: new Audio('https://assets.codepen.io/605876/switch-off.mp3'),
  GROAN: new Audio('https://assets.codepen.io/605876/bear-groan.mp3') };

SOUNDS.GROAN.playbackRate = 2;

const App = () => {
  const [checked, setChecked] = useState(false);
  const [count, setCount] = useState(1);
  const bearRef = useRef(null);
  const swearRef = useRef(null);
  const armWrapRef = useRef(null);
  const pawRef = useRef(null);
  const armRef = useRef(null);
  const bgRef = useRef(null);
  const indicatorRef = useRef(null);

  const onHover = () => {
    if (Math.random() > 0.5 && count > armLimit) {
      to(bearRef.current, bearDuration / 2, { y: '40%' });
    }
  };
  const offHover = () => {
    if (!checked) {
      to(bearRef.current, bearDuration / 2, { y: '100%' });
    }
  };
  const onChange = () => {
    if (checked) return;
    setChecked(true);
  };

  useEffect(() => {
    const grabBearTL = () => {
      /**
       * Different height translations for the bear elements
       *
       * Paw will go to scaleX 0.8
       * Arm scaleX goes down to 0.7
       * Arm wrap translates to 50% or 50px
       * Bear goes 100% -> 40% -> 0
       */
      let bearTranslation;
      if (count > armLimit && count < headLimit) {
        bearTranslation = '40%';
      } else if (count >= headLimit) {
        bearTranslation = '0%';
      }
      const onComplete = () => {
        setChecked(false);
        setCount(count + 1);
      };
      let onBearComplete = () => {};
      if (Math.random() > 0.5 && count > angerLimit)
      onBearComplete = () => {
        SOUNDS.GROAN.play();
        set(swearRef.current, { display: 'block' });
      };
      const base = armDuration + armDuration + pawDuration;
      const preDelay = Math.random();
      const delay = count > armLimit ? base + bearDuration + preDelay : base;
      const bearTL = timeline({ delay: Math.random(), onComplete });
      bearTL.
      add(
      count > armLimit ?
      to(bearRef.current, {
        duration: bearDuration,
        onComplete: onBearComplete,
        y: bearTranslation }) :

      () => {}).

      to(
      armWrapRef.current,
      { x: 50, duration: armDuration },
      count > armLimit ? preDelay : 0).

      to(armRef.current, { scaleX: 0.7, duration: armDuration }).
      to(pawRef.current, {
        duration: pawDuration,
        scaleX: 0.8,
        onComplete: () => set(swearRef.current, { display: 'none' }) }).

      to(
      bgRef.current,
      {
        onStart: () => {
          SOUNDS.OFF.play();
        },
        duration: checkboxDuration,
        backgroundColor: '#aaa' },

      delay).

      to(
      indicatorRef.current,
      { duration: checkboxDuration, x: '0%' },
      delay).

      to(pawRef.current, { duration: pawDuration, scaleX: 0 }, delay).
      to(
      armRef.current,
      { duration: pawDuration, scaleX: 1 },
      delay + pawDuration).

      to(
      armWrapRef.current,
      { duration: armDuration, x: 0 },
      delay + pawDuration).

      to(
      bearRef.current,
      { duration: bearDuration, y: '100%' },
      delay + pawDuration);

      return bearTL;
    };
    const showTimeline = () => {
      timeline({
        onStart: () => SOUNDS.ON.play() }).

      to(
      bgRef.current,
      { duration: checkboxDuration, backgroundColor: '#2eec71' },
      0).

      to(indicatorRef.current, { duration: checkboxDuration, x: '100%' }, 0).
      add(grabBearTL(), checkboxDuration);
    };
    if (checked) showTimeline();
  }, [checked, count]);

  return /*#__PURE__*/(
    React.createElement(Fragment, null, /*#__PURE__*/
    React.createElement("div", { className: "bear__wrap" }, /*#__PURE__*/
    React.createElement("div", { ref: swearRef, className: "bear__swear" }, "#@$%*!"), /*#__PURE__*/


    React.createElement("svg", {
      ref: bearRef,
      className: "bear",
      viewBox: "0 0 284.94574 359.73706",
      preserveAspectRatio: "xMinYMin" }, /*#__PURE__*/
    React.createElement("g", { id: "layer1", transform: "translate(-7.5271369,-761.38595)" }, /*#__PURE__*/
    React.createElement("g", {
      id: "g5691",
      transform: "matrix(1.2335313,0,0,1.2335313,-35.029693,-212.83637)" }, /*#__PURE__*/
    React.createElement("path", {
      id: "path4372",
      d: "M 263.90933,1081.4151 A 113.96792,96.862576 0 0 0 149.99132,985.71456 113.96792,96.862576 0 0 0 36.090664,1081.4151 l 227.818666,0 z",
      style: { fill: '#784421', fillOpacity: 1 } }), /*#__PURE__*/

    React.createElement("path", {
      id: "path5634",
      d: "m 250.42825,903.36218 c 2e-5,66.27108 -44.75411,114.99442 -102.42825,114.99442 -57.674143,0 -98.428271,-48.72334 -98.428251,-114.99442 4e-6,-66.27106 40.754125,-92.99437 98.428251,-92.99437 57.67413,0 102.42825,26.72331 102.42825,92.99437 z",
      style: { fill: '#784421', fillOpacity: 1 } }), /*#__PURE__*/

    React.createElement("path", {
      id: "path5639",
      d: "m 217,972.86218 c 2e-5,21.53911 -30.44462,42.00002 -68,42.00002 -37.55538,0 -66.000019,-20.46091 -66,-42.00002 0,-21.53911 28.44464,-36 66,-36 37.55536,0 68,14.46089 68,36 z",
      style: { fill: '#e9c6af', illOpacity: 1 } }), /*#__PURE__*/

    React.createElement("path", {
      id: "path5636",
      d: "m 181.5,944.36218 c 0,8.28427 -20.59974,26.5 -32.75,26.5 -12.15026,0 -34.75,-18.21573 -34.75,-26.5 0,-8.28427 22.59974,-13.5 34.75,-13.5 12.15026,0 32.75,5.21573 32.75,13.5 z",
      style: { fill: '#000000', fillOpacity: 1 } }), /*#__PURE__*/

    React.createElement("g", { id: "g5681" }, /*#__PURE__*/
    React.createElement("ellipse", {
      style: { fill: '#784421', fillOpacity: 1 },
      id: "path5657",
      cx: "69",
      cy: "823.07269",
      rx: "34.5",
      ry: "33.289474" }), /*#__PURE__*/

    React.createElement("path", {
      style: { fill: '#e9c6af', fillOpacity: 1 },
      d: "M 69,47.310547 A 24.25,23.399124 0 0 0 44.75,70.710938 24.25,23.399124 0 0 0 64.720703,93.720703 c 0.276316,-0.40734 0.503874,-0.867778 0.787109,-1.267578 1.70087,-2.400855 3.527087,-4.666237 5.470704,-6.798828 1.943616,-2.132591 4.004963,-4.133318 6.179687,-6.003906 2.174725,-1.870589 4.461274,-3.611714 6.855469,-5.226563 2.394195,-1.614848 4.896019,-3.10338 7.498047,-4.46875 0.539935,-0.283322 1.133058,-0.500695 1.68164,-0.773437 A 24.25,23.399124 0 0 0 69,47.310547 Z",
      id: "ellipse5659",
      transform: "translate(0,752.36216)" })), /*#__PURE__*/


    React.createElement("g", { transform: "matrix(-1,0,0,1,300,0)", id: "g5685" }, /*#__PURE__*/
    React.createElement("ellipse", {
      ry: "33.289474",
      rx: "34.5",
      cy: "823.07269",
      cx: "69",
      id: "ellipse5687",
      style: { fill: '#784421', illOpacity: 1 } }), /*#__PURE__*/

    React.createElement("path", {
      transform: "translate(0,752.36216)",
      id: "path5689",
      d: "M 69,47.310547 A 24.25,23.399124 0 0 0 44.75,70.710938 24.25,23.399124 0 0 0 64.720703,93.720703 c 0.276316,-0.40734 0.503874,-0.867778 0.787109,-1.267578 1.70087,-2.400855 3.527087,-4.666237 5.470704,-6.798828 1.943616,-2.132591 4.004963,-4.133318 6.179687,-6.003906 2.174725,-1.870589 4.461274,-3.611714 6.855469,-5.226563 2.394195,-1.614848 4.896019,-3.10338 7.498047,-4.46875 0.539935,-0.283322 1.133058,-0.500695 1.68164,-0.773437 A 24.25,23.399124 0 0 0 69,47.310547 Z",
      style: { fill: '#e9c6af', fillOpacity: 1 } })), /*#__PURE__*/


    React.createElement("ellipse", {
      ry: "9.6790915",
      rx: "9.2701159",
      cy: "900.38916",
      cx: "105.83063",
      id: "path4368",
      style: { fill: '#000000', fillOpacity: 1 } }), /*#__PURE__*/

    React.createElement("ellipse", {
      style: { fill: '#000000', fillOpacity: 1 },
      id: "ellipse4370",
      cx: "186.89894",
      cy: "900.38916",
      rx: "9.2701159",
      ry: "9.6790915" }),

    count >= angerLimit && /*#__PURE__*/
    React.createElement(Fragment, null, /*#__PURE__*/
    React.createElement("path", {
      id: "path4396",
      d: "m 92.05833,865.4614 39.42665,22.76299",
      style: {
        stroke: '#000000',
        strokeWidth: 4.86408424,
        strokeLinecap: 'round',
        strokeLinejoin: 'round',
        strokeMiterlimit: 4,
        strokeOpacity: 1 } }), /*#__PURE__*/


    React.createElement("path", {
      style: {
        stroke: '#000000',
        strokeWidth: 4.86408424,
        strokeLinecap: 'round',
        strokeLinejoin: 'round',
        strokeMiterlimit: 4,
        strokeOpacity: 1 },

      d: "m 202.82482,865.4614 -39.42664,22.76299",
      id: "path4400" })))))), /*#__PURE__*/







    React.createElement("div", { ref: armWrapRef, className: "bear__arm-wrap" }, /*#__PURE__*/
    React.createElement("svg", {
      ref: armRef,
      className: "bear__arm",
      viewBox: "0 0 250.00001 99.999997",
      preserveAspectRatio: "xMinYMin" }, /*#__PURE__*/
    React.createElement("g", { transform: "translate(868.57141,-900.93359)", id: "layer1" }, /*#__PURE__*/
    React.createElement("path", {
      style: { fill: '#784421', fillOpacity: 1 },
      d: "m -619.43416,945.05124 c 4.18776,73.01076 -78.25474,53.24342 -150.21568,52.94118 -82.38711,-0.34602 -98.92158,-19.44459 -98.92157,-47.05883 0,-27.61424 4.78794,-42.54902 73.82353,-42.54902 69.03559,0 171.43607,-30.93764 175.31372,36.66667 z",
      id: "path4971" }), /*#__PURE__*/

    React.createElement("ellipse", {
      style: { fill: '#e9c6af', fillOpacity: 1 },
      id: "path4974",
      cx: "-683.02264",
      cy: "950.98572",
      rx: "29.910826",
      ry: "29.414362" })))), /*#__PURE__*/




    React.createElement("div", { ref: pawRef, className: "bear__paw" }), /*#__PURE__*/
    React.createElement("div", { className: "mask" }), /*#__PURE__*/
    React.createElement("div", { className: "checkbox", onMouseOver: onHover, onMouseOut: offHover }, /*#__PURE__*/
    React.createElement("input", { type: "checkbox", onChange: onChange, checked: checked }), /*#__PURE__*/
    React.createElement("div", { ref: bgRef, className: "checkbox__bg" }), /*#__PURE__*/
    React.createElement("div", { ref: indicatorRef, className: "checkbox__indicator" }))));



};

render( /*#__PURE__*/React.createElement(App, null), rootNode);
!
999px

Console