jqwidgets-framework/demos/Angular/src/chart/darkbackground/app.component.css

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

.jqx-chart-axis-text,
.jqx-chart-label-text,
.jqx-chart-tooltip-text,
.jqx-chart-legend-text {
  fill: #fafafa;
  color: #fafafa;
  font-size: 12px;
  font-family: Verdana;
}

.jqx-chart-axis-description {
  fill: #fafafa;
  color: #fafafa;
  font-size: 12px;
  font-family: Verdana;
}

.jqx-chart-title-text {
  fill: #fafafa;
  color: #fafafa;
  font-size: 14px;
  font-weight: bold;
  font-family: Verdana;
}

.jqx-chart-title-description {
  fill: #fafafa;
  color: #fafafa;
  font-size: 13px;
  font-weight: normal;
  font-family: Verdana;
}