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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

            
              <main class="booth">
  <aside class="slider">
    <label>Move this 👇 </label>
    <input class="booth-slider" type="range" min="-50" max="50" value="-50" step="5"/>
  </aside>
  
  <section class="color-boxes">
    <div class="color-box" id="1"><input value="red"/></div>
    <div class="color-box" id="2"><input/></div>
    <div class="color-box" id="3"><input/></div>
    <div class="color-box" id="4"><input/></div>
    <div class="color-box" id="5"><input/></div>
    <div class="color-box" id="6"><input/></div>
  </section>

  <footer class="instructions">
    👉🏻 Move the slider<br/>
    👉🏻 Write any color in the red boxes 
  </footer>
</main>
            
          
!

CSS

            
              @import url('https://fonts.googleapis.com/css?family=Shadows+Into+Light+Two');
  
:root {
  --primary-color: rgba(241,196,15 ,1);
  --secondary-color: teal;
  
  --slider: 0;
}

body {
  margin: 0;
  color: rgba(255,255,255,0.9);
  background: url('http://bit.ly/2FiPrRA') 0 100%/340px no-repeat, var(--primary-color);
  font-family: 'Shadows Into Light Two', cursive;
}

main.booth {
  min-height: 100vh;
  
  display: flex;
  justify-content: center;
  align-items: center;
}



/* Slider */
.slider,
.instructions {
  position: absolute;
  background: rgba(0,0,0,0.4);
  padding: 1rem 2rem;
  border-radius: 5px
}
.slider {
  right: 10px;
  top: 10px;
}
.slider > * {
  display: block;
}


/* Instructions */
.instructions {
  text-align: center;
  bottom: 0;
  background: initial;
  color: black;
}

/* Color Boxes */
.color-boxes {
  background: red;
  box-shadow: 10px 10px 30px rgba(0,0,0,0.4);
  border-radius: 0.3rem;
    
  transform: perspective(500px) rotateY( calc(var(--slider) * 1deg));
  transition: transform 0.3s
}


.color-box {
  padding: 1rem 3.5rem;
  margin-bottom: 0.5rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 0.3rem;
  box-shadow: 10px 10px 30px rgba(0,0,0,0.4); 
}

/* Handle colors for each color box */
.color-box:nth-child(1) {
  background: var(--bg-1)
}
.color-box:nth-child(2) {
  background: var(--bg-2)
}
.color-box:nth-child(3) {
  background: var(--bg-3)
}
.color-box:nth-child(4) {
  background: var(--bg-4)
}
.color-box:nth-child(5) {
  background: var(--bg-5)
}
.color-box:nth-child(6) {
  background: var(--bg-6)
}




            
          
!

JS

            
              const inputs = document.querySelectorAll('.color-box > input')
const root = document.documentElement
const range = document.querySelector('.booth-slider')

//as slider range's value changes, do something 
range.addEventListener('input', handleSlider)

//as the value in the input changes, do something.
inputs.forEach(input => {
  input.addEventListener('input', handleInputChange)
})

function handleInputChange (e) {
  let value = e.target.value
  let inputId = e.target.parentNode.id 
  let inputBg = `--bg-${inputId}` 
  root.style.setProperty(inputBg, value)
}

function handleSlider (e) {
  let value = e.target.value 
  root.style.setProperty('--slider', value)
}







            
          
!
999px

Console