D3 Examples - concentric circles

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width: 100%; height: 100%; }
  </style>
</head>
​
<body>
  <script>
    
    var mycolor = d3.scale.ordinal().range(["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fbc9e3","#d9d9d9","#bc80bd","#ccebc5","#ffed6f"])
​
    
    var margin = {top: 20, right: 10, bottom: 20, left: 10};
    var width = 960 - margin.left - margin.right;
    var height = 500 - margin.top - margin.bottom;
    var svg = d3.select("body").append("svg")
      .attr("width", width + margin.left + margin.right)
      .attr("height", height + margin.top + margin.bottom)
    .append("g")
      .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
    // Feel free to change or delete any of the code you see!
    svg.selectAll('circle')
            .data([110,100, 90, 80, 70, 60,50,40,30,20,10,0])       //original circles
            .enter()
            .append('circle')
    .attr("cx", 100)
      .attr("cy", 100)
            .attr('r', function(d){return d})
    .style("fill", mycolor)
  </script>
</body>
​
    