CSS网格布局（Grid Layout）
CSS 弹性盒子布局 (CSS Flexible Box Layout)
| flex | flex-grow | flex-shrink |
| flex-basis | flex-direction | flex-warp |
| flex-flow | order | align-self |
| align-items | align-content | justify-content |
| place-content | row-gap | column-gap |
| gap |
关闭(Esc)
| flex | flex-grow | flex-shrink |
| flex-basis | flex-direction | flex-warp |
| flex-flow | order | align-self |
| align-items | align-content | justify-content |
| place-content | row-gap | column-gap |
| gap |