#title {
      font-size: 20px;
      padding-bottom: 10px;
      padding-top: 20px;
      font-weight: 300;
    }

    #explanation {
      font-size: 12px;
      max-width: 620px;
      margin: 0 auto;
      padding-top: 10px;
      color: #ababab;
      font-weight: 300;
    }

    .y.axis line {
      fill: none;
    }

    .x.axis line {
      fill: #e0e0e0;
      stroke: #e0e0e0;
      shape-rendering: crispEdges;
    }

    .x.axis text {
      font-size: 12px;
    }

    .axis path {
      display: none;
    }

    .brush .extent {
      fill-opacity: .125;
      shape-rendering: crispEdges;
    }

    .resize {
      display: inline !important; /* show when empty */
      fill: #7A7A7A;
      fill-opacity: 1;
      stroke: #7A7A7A;
      stroke-width: 2px;
    }

    .bar {
      /*shape-rendering: crispEdges;*/
    }