jqwidgets-framework/demos/angular/app/treegrid/aggregates/app.component.css

jQWidgets is an advanced jQuery, Angular, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

html, body {
  width: 100vw;
  height: 100vh;
  padding: 0;
  margin: 0;
}

.jqx-grid-cell-pinned {
  border-right: 0;
}