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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <body style="background-color:black;">
​
<svg width=1000 height=1000>
  <rect x="30" y="10" height="500" width="300" fill=blue>
  </rect>
  <rect x="330" y="10" height="500" width="300" fill=white>
  </rect>
  <rect x="630" y="10" height="500" width="300" fill=red>
  </rect>
</body>
​
    

https://d3js.org/d3.v4.min.js