自定义动画animate可以操作css样式属性总结
backgroundPosition
* borderWidth
* borderBottomWidth
* borderLeftWidth
* borderRightWidth
* borderTopWidth
* borderSpacing
* marginBottom
* marginLeft
* marginRight
* marginTop
* outlineWidth
* paddingBottom
* paddingLeft
* paddingRight
* paddingTop
* height
* width
* maxHeight
* maxWidth
* minHeight
* maxWidth
* fontSize
* bottom
* left
* right
* top
* letterSpacing
* wordSpacing
* lineHeight
* textIndent
* opacity
