message: remove some unused styling for game thumbs
diff: @media $media-sm-up
  margin-bottom: -($grid-gutter-width)
  -
  -// // Can apply to the ng-repeated element when showing thumbnails.
  -// // This way you can choose which element gets the animation.
  -// .game-thumbnail-anim
  -// @extend .anim-fade-in-up, .stagger, .no-animate-xs, .no-animate-leave
  