过渡与动画 Animations
说明：不支持 IE9及以下版本
fade-in
fade-out
scale-x
scale-y
zoom-in
zoom-out
slide-up
slide-down
slide-left
slide-right
shaking-x
shaking-y
rotate
rotate-x
rotate-y
stretch-left
stretch-right
stretch-up
stretch-down
tossing
floating
pulse
pulse-plus
bounce
expand-in
expand-out
反向运动
重复运动