swimlane/ngx-charts

.timeline {
  .brush-background {
    fill: rgba(0, 0, 0, 0.05);
  }

  .brush {
    .selection {
      fill: rgba(0, 0, 0, 0.1);
      stroke-width: 1px;
      stroke: #888888;
    }

    .handle {
      fill-opacity: 0;
    }
  }

  .embedded-chart {
    opacity: 0.6;
  }
}