D3 Examples - hcc horiz 16 | Adjust left side padding, widen the SVG, change rect hover color to blue

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>HCC contracts</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.min.js"></script>
​
        <style type="text/css">
                    
            body {
                background-color: white;
                font-family: Helvetica, Arial, sans-serif;
            }
​
            h1 {
                font-family: Helvetica, Arial, sans-serif;
                font-size: 24px;
                margin: 0;
            }
​
            p {
                font-size: 14px;
                margin: 10px 0 0 0;
            }
​
            svg {
                background-color: white;
            }
​
            rect:hover {
                fill: #0000FF;
            }
            
            .axis path,
            .axis line {
                fill: none;
                stroke: black;
                shape-rendering: crispEdges;
            }
            
            .axis text {
                font-family: Helvetica, Arial, sans-serif;
                font-size: 10px;
            }
​
            .y.axis path,
            .y.axis line {
                opacity: 0;
            }
        </style>
    </head>
​
    <body>
        <h1>HCC contracts</h1>
        
        <p>By largest difference between initial and amended amounts. Source: <a href="https://contracts.lbb.state.tx.us/Introduction.aspx">Legislative Budget Board</a></p>
        
        <script type="text/javascript">
        
            var w = 800;
            var h = 800;
            var padding = [ 20, 10, 30, 100 ];
            
            var widthScale = d3.scale.linear()
                .range([ 0, w - padding[3] - padding[1] ]);
            
            var heightScale = d3.scale.ordinal()
                .rangeRoundBands([ padding[0], h - padding[2] ], 0.05);
                
            var xAxis = d3.svg.axis()
                .scale(widthScale)
                .orient("bottom")
                .ticks(5)
                .tickFormat(d3.format("$,"));
                
            var yAxis = d3.svg.axis()
                .scale(heightScale)
                .orient("left");
            
            var svg = d3.select("body")
                .append("svg")
                .attr("width", w)
                .attr("height", h);
​
    
            d3.csv("bigcontracts.csv", function(data) {
                data.sort(function(a, b) {
                    return d3.ascending(+a.Difference, +b.Difference);
            });
            
            widthScale.domain([d3.min(data, function(d) {
                return +d.Difference;
            }), 
                d3.max(data, function(d) {
                return +d.Difference;
            }) ]);
            
            heightScale.domain(data.map(function(d) {
                return d.Vendor;
            } ));
​
            var rects = svg.selectAll("rect")
                .data(data)
                .enter()
                .append("rect");
            
            rects.attr("x", padding[3])
                .attr("y", function(d) {
                    return heightScale(d.Vendor);
                })
                .attr("width", function(d) {
                    return widthScale(+d.Difference);
                })
                .attr("height", heightScale.rangeBand())
                .attr("fill", "RGB(100, 100, 100)")
                .append("title")
                .text(function(d) {
                    return d.Vendor + "'s contract was " + d3.format("$,")(+d.Difference) + " larger than the original amount.";
                });
​
            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);
    });
                
        </script>
​
    </body>
    
</html>
    