/* body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  } */
  
  svg {
    display: flex;
    margin: 4rem auto;
    width: 1000px;
    height: 600px;
    padding-top: 4rem;
    
  }
  
  path.slice{
      stroke-width:2px;
  }
  
  polyline{
      opacity: .3;
      stroke: black;
      stroke-width: 2px;
      fill: none;
  }

  .update-btn {
    display: flex;
    cursor: pointer;
    margin: 2rem auto;
  }