taffy-coustom-ui/demos/Angular/src/toolbar/defaultfunctionality/app.component.css

自己编译的

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

.buttonIcon {
  margin: -5px 0 0 -3px;
  width: 16px;
  height: 17px;
}