flex

[Jason-linjiayu]

• flex-direction

  决定主轴方向：row | row-reverse | column | column-reverse

• flex-wrap

  是否换行：nowrap | wrap | wrap-reverse

• flex-flow

  flex-direction属性和flex-wrap属性的简写形式:row nowrap

• justify-content

  主轴对齐方式：flex-start | flex-end | center | space-between | space-around;

• align-items

  交叉轴对齐方式：stretch|flex-start| flex-end|center|baseline

• align-content

  多根轴线的对齐方式:flex-start | flex-end | center | space-between | space-around | stretch

[Jason-linjiayu]

http://www.ruanyifeng.com/blog/2015/07/flex-grammar.html