.foo {
  content: 'bar'
}

.bar {
  content: 'qux';
  padding: 0

  .qux {
    content: 'waldo'
  }
}

.qux {
  font: {
    family: 'Arial';
    weight: bold;
    size: 2rem;
  }
}

.baz {
  font: {
    family: 'Arial';
    weight: bold;
    size: 2rem
  }
}

.norf {
  border: {
    top: {
      color: red;

      left: {
        radius: 5px
      }
    }
  }
}