div#root {
    width: 100%;
    height: 600;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    width: 960px;
    height: 500px;
    position: relative;
  }
  
  svg {
  width: 100%;
  height: 100%;
  }
  
  path.slice{
  stroke-width:2px;
  }
  
  polyline{
  opacity: .3;
  stroke: black;
  stroke-width: 2px;
  fill: none;
  }