New England Minimum Wage

<!DOCTYPE html>
<style>

.bar:hover {
    opacity: 0.7;
  }
  .label {
    font-family: Arial;
    font-size: 14pt;
  }
  div.tooltip {	
    position: absolute;			
    text-align: center;			
    width: 100px;					
    height: 28px;					
    padding: 2px;				
    font: 12px sans-serif;		
    background: black;	
    border: 0px;		
    border-radius: 8px;			
    pointer-events: none;
    color: white;
}
.axis line {
    fill: none;
    stroke: black;
    shape-rendering: crispEdges;
}

.axis text {
    font-family: Arial;
    font-size: 14px;
}

</style>
<svg width="500" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>

var svg = d3.select("svg"),
    margin = {top: 20, right: 20, bottom: 100, left: 80},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom,
    g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var x0 = d3.scaleBand()
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var x1 = d3.scaleBand()
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var y = d3.scaleLinear()
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var z = d3.scaleOrdinal()
    .range(["#3B88AD", "#FFA500"]);

function round2Fixed(value) {
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if (isNaN(value))
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// Shift
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  value = Math.round(+(value[0] + 'e' + (value[1] ? (+value[1] + 2) : 2)));

// Shift back
  value = value.toString().split('e');
  return (+(value[0] + 'e' + (value[1] ? (+value[1] - 2) : -2))).toFixed(2);
}
  
var yAxisLabelText = "Minimum Hourly Wage ($)";
var yAxisLabelOffset = 35;  
  
var tooltip = d3.select("body").append("div")
    .attr("class", "tooltip")
    .style("opacity", 0);

d3.csv("MinimumWage.csv", function(d, i, columns) {
  for (var i = 1, n = columns.length; i < n; ++i) d[columns[i]] = +d[columns[i]];
  return d;
}, function(error, data) {
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var keys = data.columns.slice(1);

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  y.domain([0, 15]);

g.append("g")
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      .call(d3.axisLeft(y).ticks(4))
    .append("text")
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      .attr("y", y(y.ticks().pop()) + 0.5)
      .attr("dy", "0.32em")
      .attr("fill", "#000")
      .attr("font-weight", "bold")
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  var yAxisLabel = g.append("text")
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legend.append("rect")
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      .attr("width", 19)
      .attr("height", 19)
      .attr("fill", z);

legend.append("text")
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       .attr("transform","translate(" + (width-24) + ", 54)")
       .attr("font-family", "sans-serif")
       .attr("font-size", 12)
       .attr("text-anchor", "end")
	     .text("Federal Minimum Wage: $7.25");  
  
});

</script>

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