angular-cn/aio/content/examples/attribute-binding/src/app/app.component.css

.special {
  background-color: black;
  color: #ffffff;
  margin-bottom: .5rem;
  padding: 1rem;
}

.clearance {
  border: 1rem double #57d1ff;
}

/* Styles for demo */

comp-with-host-binding {
  display: block;
  margin: 1rem 0;
}

td {
  padding: 1rem;
  text-align: center;
}

h3 {
  padding: 1rem 0 .75rem 0;
}

.readability {
  background-color: black;
  padding: .5rem;
  margin: 1rem 0;
}