grid-column
<https://developer.mozilla.org/zh-CN/docs/Web/CSS/grid-column>
grid-column CSS 属性是 grid-column-start (en-US) 和 grid-column-end (en-US) 的简写属性，用于指定网格项目的大小和位置 通过为它的网格位置贡献线条，跨度或不添加任何内容（自动），从而指定其 grid area。
语法
如果给出两个<grid-line>值，它们之间用“ /”分隔。将 grid-column-start 的正手设置为斜线之前的值，并将 grid-column-end 的正手设置为斜线之后的值。
每个<grid-line>值可以指定为：
- 要么是 auto 关键字
- 或
<custom-ident>值 - 或
<integer>值 - 或者
<custom-ident>和<integer>，两者之间用空格分隔 - 或关键字 span 与
<custom-ident>或<integer>或两者一起使用。
用法
| Class | Properties |
|---|---|
| col-auto | grid-column: auto; |
| col-span-1 | grid-column: span 1 / span 1; |
| col-span-2 | grid-column: span 2 / span 2; |
| col-span-3 | grid-column: span 3 / span 3; |
| col-span-4 | grid-column: span 4 / span 4; |
| col-span-5 | grid-column: span 5 / span 5; |
| col-span-6 | grid-column: span 6 / span 6; |
| col-span-7 | grid-column: span 7 / span 7; |
| col-span-8 | grid-column: span 8 / span 8; |
| col-span-9 | grid-column: span 9 / span 9; |
| col-span-10 | grid-column: span 10 / span 10; |
| col-span-11 | grid-column: span 11 / span 11; |
| col-span-12 | grid-column: span 12 / span 12; |
| col-span-full | grid-column: 1 / -1; |
| col-start-1 | grid-column-start: 1; |
| col-start-2 | grid-column-start: 2; |
| col-start-3 | grid-column-start: 3; |
| col-start-4 | grid-column-start: 4; |
| col-start-5 | grid-column-start: 5; |
| col-start-6 | grid-column-start: 6; |
| col-start-7 | grid-column-start: 7; |
| col-start-8 | grid-column-start: 8; |
| col-start-9 | grid-column-start: 9; |
| col-start-10 | grid-column-start: 10; |
| col-start-11 | grid-column-start: 11; |
| col-start-12 | grid-column-start: 12; |
| col-start-13 | grid-column-start: 13; |
| col-start-auto | grid-column-start: auto; |
| col-end-1 | grid-column-end: 1; |
| col-end-2 | grid-column-end: 2; |
| col-end-3 | grid-column-end: 3; |
| col-end-4 | grid-column-end: 4; |
| col-end-5 | grid-column-end: 5; |
| col-end-6 | grid-column-end: 6; |
| col-end-7 | grid-column-end: 7; |
| col-end-8 | grid-column-end: 8; |
| col-end-9 | grid-column-end: 9; |
| col-end-10 | grid-column-end: 10; |
| col-end-11 | grid-column-end: 11; |
| col-end-12 | grid-column-end: 12; |
| col-end-13 | grid-column-end: 13; |
| col-end-auto | grid-column-end: auto; |