docs(ngHide): use proper selector when overriding the CSS
docs(ngHide): use proper selector when overriding the CSS

The animation selector gives the default styles greater specificity that
should be matched when overriding.

Closes #10902
Closes #10913

ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js,ggershoni/angular.js