jqwidgets-scripts-custom/demos/Angular/slider/fluidsize/src/app/app.component.css

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

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

#position {
  margin: 50% auto;
}