<div class="box1">
  <p>shadow-low</p>
</div>
<div class="box2">
  <p>shadow-medium</p>
</div>
<div class="box3">
  <p>shadow-high</p>
</div>
body {
  background: #F1CFFC;
}

:root {
  --shadow-color: 286deg 36% 56%;
  --shadow-elevation-low:
    0.3px 0.5px 0.7px hsl(var(--shadow-color) / 0.34),
    0.4px 0.8px 1px -1.2px hsl(var(--shadow-color) / 0.34),
    1px 2px 2.5px -2.5px hsl(var(--shadow-color) / 0.34);
  --shadow-elevation-medium:
    0.3px 0.5px 0.7px hsl(var(--shadow-color) / 0.36),
    0.8px 1.6px 2px -0.8px hsl(var(--shadow-color) / 0.36),
    2.1px 4.1px 5.2px -1.7px hsl(var(--shadow-color) / 0.36),
    5px 10px 12.6px -2.5px hsl(var(--shadow-color) / 0.36);
  --shadow-elevation-high:
    0.3px 0.5px 0.7px hsl(var(--shadow-color) / 0.34),
    1.5px 2.9px 3.7px -0.4px hsl(var(--shadow-color) / 0.34),
    2.7px 5.4px 6.8px -0.7px hsl(var(--shadow-color) / 0.34),
    4.5px 8.9px 11.2px -1.1px hsl(var(--shadow-color) / 0.34),
    7.1px 14.3px 18px -1.4px hsl(var(--shadow-color) / 0.34),
    11.2px 22.3px 28.1px -1.8px hsl(var(--shadow-color) / 0.34),
    17px 33.9px 42.7px -2.1px hsl(var(--shadow-color) / 0.34),
    25px 50px 62.9px -2.5px hsl(var(--shadow-color) / 0.34);
}

.box1,.box2,.box3 {
  width: 300px;
  padding: 20px;
  margin: 50px auto;
  background: #FFF;
  text-align: center;
  border-radius: 5px;
}

.box1 {
  box-shadow: var(--shadow-elevation-low);
}

.box2 {
  box-shadow: var(--shadow-elevation-medium);
}

.box3 {
  box-shadow: var(--shadow-elevation-high);
}

External CSS

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External JavaScript

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