focus
tracking-contract
bounce
wobble
hello
shake-horizontal
vibrate
swing-top
bounce-left
bounce-right
shadow-box
rotate
swing-top
scale-up
rotate-scale
scale-down
roll-in
flip-horizontal
text-popup
text-shadow-left
text-shadow
border-around
border-bottom
opacity
skew
sticky element
sticky element
sticky element
click scroll to