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HTML 

              
                #app
!

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%)
  &__swear
    display none
    position absolute
    left 105%
    top 0
    background #fff
    font-weight bolder
    padding 10px
    border-radius 8px
    &: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)
  &__wrap
    width 100px
    left 50%
    position absolute
    top 50%
    transform translate(-15%, -50%) rotate(5deg) translate(0, -75%)
    background transparent

  &__arm-wrap
    background transparent
    position fixed
    height 30px
    width 90px
    z-index 4
    top 50%
    left 50%
    transform translate(0, -50%) rotate(0deg)

  &__arm
    background transparent
    transform-origin left
    position absolute
    height 100%
    width 100%
    top 50%
    left 50%
    transform translate(-35%, -50%) scaleX(1)

  &__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%)

  [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%

  &__bg
    background #aaa
    border-radius 50px
    height 100%
    width 100%
    z-index 10

  &__indicator
    background transparent
    height 100%
    width 50%
    border-radius 100%
    position absolute
    top 0
    left 0

    &:after
      content ''
      border-radius 100%
      height 85%
      width 85%
      background #fff
      position absolute
      top 50%
      left 50%
      transform translate(-50%, -50%)
!

JS 

              
                const { PropTypes, React, ReactDOM, TimelineMax, TweenMax } = window
const { Component, Fragment } = React
const { render } = ReactDOM
const rootNode = document.getElementById('app')
const randomInRange = (max, min = 1) => Math.random() * (max - min) + min
const armLimit = randomInRange(2, 0)
const headLimit = randomInRange(armLimit + 3, armLimit + 1)
const angerLimit = randomInRange(headLimit + 3, headLimit + 1)

class App extends Component {
  static defaultProps = {
    armLimit,
    angerLimit,
    headLimit,
    armDuration: 0.2,
    bearDuration: 0.25,
    checkboxDuration: 0.25,
    pawDuration: 0.1,
  }
  static propTypes = {
    armLimit: PropTypes.number,
    angerLimit: PropTypes.number,
    headLimit: PropTypes.number,
    armDuration: PropTypes.number,
    bearDuration: PropTypes.number,
    checkboxDuration: PropTypes.number,
    pawDuration: PropTypes.number,
  }
  state = {
    checked: false,
    count: 0,
  }
  /**
   * Generate a random timeline for the bear based on the count
   */
  grabBearTL = () => {
    const { ARM, ARM_WRAP, BEAR, PAW, SWEAR, props, state } = this
    const { count } = state
    const {
      armLimit,
      armDuration,
      bearDuration,
      checkboxDuration,
      pawDuration,
    } = props
    /**
     * 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 = () => {
      this.setState({
        checked: false,
        count: count + 1,
      })
    }
    let onBearComplete = () => {}
    if (Math.random() > 0.5 && count > angerLimit)
      onBearComplete = () => (SWEAR.style.display = 'block')
    const base = armDuration + armDuration + pawDuration
    const preDelay = randomInRange(1, 0)
    const delay = count > armLimit ? base + bearDuration + preDelay : base
    const bearTL = new TimelineMax({ delay: Math.random(), onComplete })
    bearTL
      .add(
        count > armLimit
          ? TweenMax.to(BEAR, bearDuration, {
              onComplete: onBearComplete,
              y: bearTranslation,
            })
          : () => {}
      )
      .to(ARM_WRAP, armDuration, { x: 50 }, count > armLimit ? preDelay : 0)
      .to(ARM, armDuration, { scaleX: 0.7 })
      .to(PAW, pawDuration, {
        scaleX: 0.8,
        onComplete: () => (SWEAR.style.display = 'none'),
      })
      .to(this.BG, checkboxDuration, { backgroundColor: '#aaa' }, delay)
      .to(this.INDICATOR, checkboxDuration, { x: '0%' }, delay)
      .to(PAW, pawDuration, { scaleX: 0 }, delay)
      .to(ARM, pawDuration, { scaleX: 1 }, delay + pawDuration)
      .to(ARM_WRAP, armDuration, { x: 0 }, delay + pawDuration)
      .to(BEAR, bearDuration, { y: '100%' }, delay + pawDuration)
    return bearTL
  }
  showTimeline = () => {
    const { BG, INDICATOR, grabBearTL } = this
    const { checkboxDuration } = this.props
    const checkTL = new TimelineMax({})
    checkTL
      .add(TweenMax.to(BG, checkboxDuration, { backgroundColor: '#2eec71' }))
      .add(TweenMax.to(INDICATOR, checkboxDuration, { x: '100%' }), 0)
      .add(grabBearTL(), checkboxDuration)
  }
  onChange = () => {
    if (this.state.checked) return
    this.setState(
      {
        checked: true,
      },
      this.showTimeline
    )
  }
  onHover = () => {
    if (Math.random() > 0.5 && this.state.count > armLimit) {
      TweenMax.to(this.BEAR, this.props.bearDuration / 2, { y: '40%' })
    }
  }
  offHover = () => {
    if (!this.state.checked) {
      TweenMax.to(this.BEAR, this.props.bearDuration / 2, { y: '100%' })
    }
  }
  render = () => {
    const { onChange, offHover, onHover, props, state } = this
    const { angerLimit } = props
    const { checked, count } = state
    return (
      <Fragment>
        <div className="bear__wrap">
          <div ref={s => (this.SWEAR = s)} className="bear__swear">
            #@$%*!
          </div>
          <svg
            ref={b => (this.BEAR = b)}
            className="bear"
            viewBox="0 0 284.94574 359.73706"
            preserveAspectRatio="xMinYMin">
            <g id="layer1" transform="translate(-7.5271369,-761.38595)">
              <g
                id="g5691"
                transform="matrix(1.2335313,0,0,1.2335313,-35.029693,-212.83637)">
                <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 }}
                />
                <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 }}
                />
                <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 }}
                />
                <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 }}
                />
                <g id="g5681">
                  <ellipse
                    style={{ fill: '#784421', fillOpacity: 1 }}
                    id="path5657"
                    cx="69"
                    cy="823.07269"
                    rx="34.5"
                    ry="33.289474"
                  />
                  <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)"
                  />
                </g>
                <g transform="matrix(-1,0,0,1,300,0)" id="g5685">
                  <ellipse
                    ry="33.289474"
                    rx="34.5"
                    cy="823.07269"
                    cx="69"
                    id="ellipse5687"
                    style={{ fill: '#784421', illOpacity: 1 }}
                  />
                  <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 }}
                  />
                </g>
                <ellipse
                  ry="9.6790915"
                  rx="9.2701159"
                  cy="900.38916"
                  cx="105.83063"
                  id="path4368"
                  style={{ fill: '#000000', fillOpacity: 1 }}
                />
                <ellipse
                  style={{ fill: '#000000', fillOpacity: 1 }}
                  id="ellipse4370"
                  cx="186.89894"
                  cy="900.38916"
                  rx="9.2701159"
                  ry="9.6790915"
                />
                {count >= angerLimit && (
                  <Fragment>
                    <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,
                      }}
                    />
                    <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"
                    />
                  </Fragment>
                )}
              </g>
            </g>
          </svg>
        </div>
        <div ref={w => (this.ARM_WRAP = w)} className="bear__arm-wrap">
          <svg
            ref={a => (this.ARM = a)}
            className="bear__arm"
            viewBox="0 0 250.00001 99.999997"
            preserveAspectRatio="xMinYMin">
            <g transform="translate(868.57141,-900.93359)" id="layer1">
              <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"
              />
              <ellipse
                style={{ fill: '#e9c6af', fillOpacity: 1 }}
                id="path4974"
                cx="-683.02264"
                cy="950.98572"
                rx="29.910826"
                ry="29.414362"
              />
            </g>
          </svg>
        </div>
        <div ref={p => (this.PAW = p)} className="bear__paw" />
        <div className="mask" />
        <div className="checkbox" onMouseOver={onHover} onMouseOut={offHover}>
          <input type="checkbox" onChange={onChange} checked={checked} />
          <div ref={b => (this.BG = b)} className="checkbox__bg" />
          <div
            ref={i => (this.INDICATOR = i)}
            className="checkbox__indicator"
          />
        </div>
      </Fragment>
    )
  }
}

render(<App />, rootNode)
!
999px

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