JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://d3js.org/d3.v3.min.js"></script>

CSS

body {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.x.axis path {
  display: none;
}

.legend line {
  stroke: #000;
  shape-rendering: crispEdges;
}

.tick line {
    display: none;
}

div.tooltip {   
    position: absolute;           
    text-align: center;           
    width: 100px;                  
    height: auto;                 
    padding: 2px;             
    font: 12px sans-serif;        
    background: lightsteelblue;   
    border: 0px;      
    border-radius: 10px;           
    pointer-events: none;
}

JavaScript

var data = [
    {
        "episode": "Ep. 01",
        "yes": "60",
        "no": "40"
    },
    {
        "episode": "Ep. 02",
        "yes": "70",
        "no": "30"
    },
    {
        "episode": "Ep. 03",
        "yes": "50",
        "no": "50"
    },
    {
        "episode": "Ep. 04",
        "yes": "90",
        "no": "10"
    },
    {
        "episode": "Ep. 05",
        "yes": "30",
        "no": "70"
    },
    {
        "episode": "Ep. 06",
        "yes": "60",
        "no": "40"
    },
    {
        "episode": "Ep. 07",
        "yes": "70",
        "no": "30"
    },
    {
        "episode": "Ep. 08",
        "yes": "50",
        "no": "50"
    },
    {
        "episode": "Ep. 09",
        "yes": "90",
        "no": "10"
    },
    {
        "episode": "Ep. 10",
        "yes": "30",
        "no": "70"
    }
];

var margin = {top: 20, right: 100, bottom: 30, left: 40},
    width = 600 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
.domain(data.map( function(d) { return d.episode; }))
.range([0, width]);

var y = d3.scale.ordinal()
.rangeRoundBands([height, 0], .1);

var color = d3.scale.ordinal()
.range(["#B4D92A", "#FF3332"]);

var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.tickSize(10,10);

var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(d3.format(".0%"));

var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom + 100)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

//d3.csv("data.csv", function(error, data) {
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "episode"; }));

data.forEach(function(d) {
    var y0 = 0;
    d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; });
    d.ages.forEach(function(d) { d.y0 /= y0; d.y1 /= y0; });
});

//data.sort(function(a, b) { return...