inset1 method
inset-1 -->gt; top: 4px, right: 4px, bottom: 4px, left: 4px
Implementation
ContainerBuilder inset1() {
  _positionTop = 4;
  _positionRight = 4;
  _positionBottom = 4;
  _positionLeft = 4;
  return this;
}
inset-1 -->gt; top: 4px, right: 4px, bottom: 4px, left: 4px
ContainerBuilder inset1() {
  _positionTop = 4;
  _positionRight = 4;
  _positionBottom = 4;
  _positionLeft = 4;
  return this;
}