Adds documentation on effective styling
Adds documentation on effective styling

Closes #1052.

PiperOrigin-RevId: 189201995

chalin/angular2,angulardart/angular,chalin/angular2,kevmoo/angular,matanlurey/angular,matanlurey/angular,kevmoo/angular,chalin/angular2,angulardart/angular,matanlurey/angular,angulardart/angular,kevmoo/angular