index.css

/* Based on https://bl.ocks.org/alandunning/7008d0332cc28a826b37b3cf6e7bd998 by Alan Dunning */
body {
    margin: 1em;
    background-color: #F1F3F3    
  }

  .axis path,
  .axis line {
    fill: none;
    stroke: #D4D8DA;
    stroke-width: 1px;
  }
  .x path {
      display: none;
  }
  .toolTip {
      position: absolute;
    display: none;
    min-width: 5em;
    height: auto;
    background: none repeat scroll 0 0 #ffffff;
    border: 1px solid #c61c6f;
    padding: .8em;
    text-align: center;
  }
  svg{
      width: 100vw;
      height: 100vh;
  }
  text{
      fill: #000;
  }