jqwidgets-framework/demos/angular/app/knob/radialgradient/app.component.css

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

jqxNumberInput > div {
  left: 120px;
  top: 200px;
  position: absolute;
  background: transparent !important;
  border: none !important;
}

jqxNumberInput > div > input {
    font-size: 45px !important;
}