Fix the animations in Firefox
Fix the animations in Firefox

aebsubis/angular2-grid,aebsubis/angular2-grid,aebsubis/angular2-grid,BTMorton/angular2-grid,BTMorton/angular2-grid,ankitw77/angular2-grid,ankitw77/angular2-grid,BTMorton/angular2-grid,ankitw77/angular2-grid