flex布局

1.省略号

2.flex布局

一、flex-container

1.flex-direction

2.justfy-content

3.align-items

基线是指第一行文字的底部对齐

4.flex-wrap、flex-flow

5.aline-content

二、flex-item

1.order

2.aline-self

3.flex-grow

4.flex-shrink

5.flex-basis 可以覆盖本身设置的width height

6.flex