jqwidgets-framework/demos/Angular/src/layout/righttoleftlayout/app.component.css

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

.jqx-layout-group-auto-hide-content-vertical {
  width: 200px;
}

.jqx-ribbon-content-section {
  text-align: right;
}