taffy-coustom-ui/demos/Angular/src/rangeselector/backgroundimage/app.component.css

自己编译的

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

#backgroundImage {
    width: 500px;
    height: 100px;
    background: url(./../../../images/imageNature5.jpg) -100px -100px;
}