whisker.html

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">

  <link href="https://pro.fontawesome.com/releases/v5.2.0/css/all.css" rel="stylesheet">
  <link href="index.css" rel="stylesheet">

  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://d3js.org/d3.v4.js"></script>
</head>

<body>
  <!-- Pattern fill for the multilayer circles -->
  <svg height="0" width="0" xmlns="http://www.w3.org/2000/svg" version="1.1">
    <defs>
      <pattern id="diagonal-stripe-1" width="3" height="3" patternUnits="userSpaceOnUse" patternTransform="rotate(45)">
        <rect width="1" height="3" transform="translate(0,0)" fill="var(--c4)"></rect>
        <rect width="2" height="3" transform="translate(1,0)" fill="var(--c3)"></rect>
      </pattern>

      <pattern id="diagonal-stripe-2" width="3" height="3" patternUnits="userSpaceOnUse" patternTransform="rotate(45)">
        <rect width="1" height="3" transform="translate(0,0)" fill="var(--c1)"></rect>
        <rect width="2" height="3" transform="translate(1,0)" fill="var(--c2)"></rect>
      </pattern>
    </defs>
  </svg>

  <!-- Create a div where the graph will take place -->
  <div id="whisker-viz" style="text-align:center;"></div>

  <script src="scripts/whisker.js"></script>
</body>