• box sizing
  • hsla/rgba
  • text shadow
  • transitions
  • rem units
  • box shadow
  • border radius
  • multiple backgrounds
  • keyframe animations
  • transform origin
  • background size
  • 3d transforms
  • opacity
  • gradients
  • @font-face
  • calc()
  • flexbox
  • cursors
  • 2d transforms
  • border images
  • media queries
  • background clip
  • pointer events
  • currentColor
  • multiple columns
  • text overflow
  • selection color
  • space and round
  • overflow wrap
  • background origin