rect.grid {
    stroke: #eee;
    stroke-width:1px;
  }

  rect.grid.highlight {
    stroke: #333;
    stroke-width:2px;
  }

  rect.background {
    fill: #555;
  }
  
  text.legendText {
    font-size: 14pt;
    font-family: "Open Sans", Helvetica, sans-serif;
    fill: #111;
  }
  
  text.categoryLabel, text.sentimentLabel, text.roleLabel, text.tooltip {
    font-size: 16pt;
    font-family: "Open Sans", Helvetica, sans-serif;
    fill: #333;
  }

.axis text {
    font-size: 16pt;
    font-family: "Open Sans", Helvetica, sans-serif;
    fill: #333;
}
.axis line,
.axis path {
  fill: none;
  stroke: #333;
}