Bahahamamamamas

<!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:30;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width:100%; height: 100% }
  </style>
</head>

<body>
  <script>
    var svg = d3.select("body").append("svg")
    svg.append("rect")
      .attr({x:0, y:0, width: 300, height: 150})
      .style({fill: "00abc9"})
    svg.append("rect")
      .attr({x:0, y:50, width: 300, height: 50})
      .style({fill: "fae042"})
    svg.append("path")
    	.attr ('d', function(d) {
             var x=0, y=0;
             return 'M'+ x +' '+ y + 'L 0 150 L 129.904 75 z';
             })
    	.style({fill:"black"})
    var text = svgContainer.selectAll("text")
  </script>
</body>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js