Flex布局

[l-hammer]

https://lhammer.com/You-need-to-know-css/#/flexbox-layout

You-need-to-know-css,CSS tricks web developers need to know

[kingzlz]

flex-shrink默认值为1

[l-hammer]

@kingzlz
flex-shrink默认值为1

已修改。

[looktheworld]

父容器上的 flex-flow 属性(不是flex-grow)才是 flex-direction 和 flex-wrap 属性的简写形式~

[l-hammer]

@looktheworld 已修正。