Barchart with custom baseline

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Module 4 - Exercise</title>
		<script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
		<style type="text/css">

body {
			background-color: white;
			font-family: Helvetica, Arial, sans-serif;
		}

h1 {
			font-size: 20px;
			margin: 0;

}

p {
			font-size: 12px;
			margin: 10px 0 10px 0;
		}

svg {
			background-color: white;
		}

rect:hover {
			fill: #5ab4ac;
		}

.axis path,
		.axis line {
			fill: none;
			stroke: black;
			shape-rendering: crispEdges;
		}

.axis text {
			font-family: sans-serif;
			font-size: 12px;
		}

.y.axis path,
		.y.axis line {
			opacity: 0;
		}

</style>
	</head>
	<body>

<h1> <b> Investing in society </b> </h1>

<p>Social expenditure in OECD countries in 2011 (as % of GDP). <a href="https://www.oecd-ilibrary.org/social-issues-migration-health/data/social-expenditure/aggregated-data_data-00166-en"> Explore the data </a> </p>

var w = 600;
			var h = 650;
			var padding = [ 20, 10, 30, 120 ];

var svg = d3.select("body")
						.append("svg")
						.attr("width", w)
						.attr("height", h);

var widthScale = d3.scale.linear()
						.range([ 0, w - padding[1] - padding[3] ]);

var heightScale = d3.scale.ordinal()
						.rangeRoundBands([ padding[0], h - padding[2] ], 0.1);

var xAxis = d3.svg.axis()
						.scale(widthScale)
						.orient("bottom");

var yAxis = d3.svg.axis()
						.scale(heightScale)
						.orient("left");

d3.csv("OECD_social.csv", function(data) {

data.sort(function(a, b) {
					return d3.descending(+a.Total, +b.Total);
				});

widthScale.domain([ 0, d3.max(data, function(d) {
					return +d.Total;
				}) ]);

heightScale.domain(data.map(function(d) { return d.Country; } ));

var rects = svg.selectAll("rect")
								.data(data)
								.enter()
								.append("rect");

rects.attr("x", padding [3])
					.attr("y", function(d) {
						return heightScale(d.Country);
					})
					.attr("width", function(d) {
						return widthScale(d.Total);
					})
					.attr("height", heightScale.rangeBand())
					.attr("fill", "#d8b365")
					.append("title")
					.text(function(d) {
						return d.Country + "'s social expenditure represents " + d.Total + "% of GDP"
					})

svg.append("g")
						.attr("class", "x axis")
						.attr("transform", "translate(" + padding[3] + "," + (h - padding[2]) + ")")
						.call(xAxis);

svg.append("g")
						.attr("class", "y axis")
						.attr("transform", "translate(" + padding[3] + ",0)")
						.call(yAxis);

var line = svg.append("line")
								.attr("transform", "translate(" + padding[3] + ",0)")
								.attr("x1", widthScale(21.44))
								.attr("y1", 32)
								.attr("x2", widthScale(21.44))
								.attr("y2", 620)
								.attr("stroke-width", 0.5)
								.attr("stroke", "black");

svg.append('text')
                .attr("x", 500)
								.attr("y", 500)
                .style('text-anchor', 'middle')
                .text("Total OECD");

// var line = svg.append("line")
				// 		.attr("x1", 440)
				// 		.attr("y1", 32)
				// 		.attr("x2", 440)
				// 		.attr("y2", 620)
				// 		.attr("stroke-width", 0.5)
				// 		.attr("stroke", "black");

});

</script>

</body>
</html>

Modified http://d3js.org/d3.v3.js to a secure url

https://d3js.org/d3.v3.js