<canvas id="densityChart" width="600" height="400"></canvas>

var densityCanvas = document.getElementById("densityChart");

Chart.defaults.global.defaultFontFamily = "Lato";
Chart.defaults.global.defaultFontSize = 18;

var densityData = {
  label: 'Density of Planets (kg/m3)',
  data: [5427, 5243, 5514, 3933, 1326, 687, 1271, 1638],
  backgroundColor: [
    'rgba(0, 99, 132, 0.6)',
    'rgba(30, 99, 132, 0.6)',
    'rgba(60, 99, 132, 0.6)',
    'rgba(90, 99, 132, 0.6)',
    'rgba(120, 99, 132, 0.6)',
    'rgba(150, 99, 132, 0.6)',
    'rgba(180, 99, 132, 0.6)',
    'rgba(210, 99, 132, 0.6)',
    'rgba(240, 99, 132, 0.6)'
  ],
  borderColor: [
    'rgba(0, 99, 132, 1)',
    'rgba(30, 99, 132, 1)',
    'rgba(60, 99, 132, 1)',
    'rgba(90, 99, 132, 1)',
    'rgba(120, 99, 132, 1)',
    'rgba(150, 99, 132, 1)',
    'rgba(180, 99, 132, 1)',
    'rgba(210, 99, 132, 1)',
    'rgba(240, 99, 132, 1)'
  ],
  borderWidth: 2,
  hoverBorderWidth: 0
};

var chartOptions = {
  scales: {
    yAxes: [{
      barPercentage: 0.5
    }]
  },
  elements: {
    rectangle: {
      borderSkipped: 'left',
    }
  }
};

var barChart = new Chart(densityCanvas, {
  type: 'horizontalBar',
  data: {
    labels: ["Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"],
    datasets: [densityData],
  },
  options: chartOptions
});