grid
grid CSS 属性是一个简写属性,可以在一个声明中设置所有显式和隐式网格属性。
使用 grid 时,你可以使用 grid-template-rows 或 grid-template-columns 指定一个轴,然后使用隐式网格属性指定内容应如何在另一个轴上自动重复:grid-auto-rows、grid-auto-columns 和 grid-auto-flow。
试一试
grid: auto-flow / 1fr 1fr 1fr;
grid: auto-flow dense / 40px 40px 1fr;
grid: repeat(3, 80px) / auto-flow;
<section class="default-example" id="default-example">
<div class="example-container">
<div class="transition-all" id="example-element">
<div>One</div>
<div>Two</div>
<div>Three</div>
</div>
</div>
</section>
#example-element {
border: 1px solid #c5c5c5;
display: grid;
grid-gap: 10px;
width: 200px;
}
#example-element :nth-child(1) {
background-color: rgb(0 0 255 / 0.2);
border: 3px solid blue;
}
#example-element :nth-child(2) {
background-color: rgb(255 0 200 / 0.2);
border: 3px solid rebeccapurple;
grid-column: auto / span 3;
grid-row: auto / span 2;
}
#example-element :nth-child(3) {
background-color: rgb(94 255 0 / 0.2);
border: 3px solid green;
grid-column: auto / span 2;
}
注意: 未指定的子属性将被设置为其初始值,这和普通简写属性的行为一致。另外,此简写属性不会重置 gutter 属性。
构成属性
此属性是以下 CSS 属性的简写:
语法
/* <'grid-template'> values */
grid: none;
grid: "a" 100px "b" 1fr;
grid: [line-name1] "a" 100px [line-name2];
grid: "a" 200px "b" min-content;
grid: "a" minmax(100px, max-content) "b" 20%;
grid: 100px / 200px;
grid: minmax(400px, min-content) / repeat(auto-fill, 50px);
/* <'grid-template-rows'> /
[ auto-flow && dense? ] <'grid-auto-columns'>? values */
grid: 200px / auto-flow;
grid: 30% / auto-flow dense;
grid: repeat(3, [line1 line2 line3] 200px) / auto-flow 300px;
grid: [line1] minmax(20em, max-content) / auto-flow dense 40%;
/* [ auto-flow && dense? ] <'grid-auto-rows'>? /
<'grid-template-columns'> values */
grid: auto-flow / 200px;
grid: auto-flow dense / 30%;
grid: auto-flow 300px / repeat(3, [line1 line2 line3] 200px);
grid: auto-flow dense 40% / [line1] minmax(20em, max-content);
/* Global values */
grid: inherit;
grid: initial;
grid: revert;
grid: revert-layer;
grid: unset;
值
<'grid-template'>-
定义
grid-template,包括grid-template-columns、grid-template-rows和grid-template-areas。 <'grid-template-rows'> / [ auto-flow && dense? ] <'grid-auto-columns'>?-
通过
grid-template-rows属性显式设置行轨道(并将grid-template-columns属性设置为none),并通过grid-auto-columns指定如何自动重复列轨道(并将grid-auto-rows设置为auto),来设置自动流。grid-auto-flow也会相应地设置为column,如果指定了dense,则也会一并设置。所有其他的
grid子属性都会被重置为其初始值。 [ auto-flow && dense? ] <'grid-auto-rows'>? / <'grid-template-columns'>-
通过
grid-template-columns属性显式设置列轨道(并将grid-template-rows属性设置为none),并通过grid-auto-rows指定如何自动重复行轨道(并将grid-auto-columns设置为auto),来设置自动流。grid-auto-flow也会相应地设置为row,如果指定了dense,则也会一并设置。所有其他的
grid子属性都会被重置为其初始值。
正式定义
正式语法
grid =
<'grid-template'> |
<'grid-template-rows'> / [ auto-flow && dense? ] <'grid-auto-columns'>? |
[ auto-flow && dense? ] <'grid-auto-rows'>? / <'grid-template-columns'>
<grid-template> =
none |
[ <'grid-template-rows'> / <'grid-template-columns'> ] |
[ <line-names>? <string> <track-size>? <line-names>? ]+ [ / <explicit-track-list> ]?
<grid-template-rows> =
none |
<track-list> |
<auto-track-list> |
subgrid <line-name-list>?
<grid-auto-columns> =
<track-size>+
<grid-auto-rows> =
<track-size>+
<grid-template-columns> =
none |
<track-list> |
<auto-track-list> |
subgrid <line-name-list>?
<line-names> =
'[' <custom-ident>* ']'
<track-size> =
<track-breadth> |
minmax( <inflexible-breadth> , <track-breadth> ) |
fit-content( <length-percentage [0,∞]> )
<explicit-track-list> =
[ <line-names>? <track-size> ]+ <line-names>?
<track-list> =
[ <line-names>? [ <track-size> | <track-repeat> ] ]+ <line-names>?
<auto-track-list> =
[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat> [ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?
<line-name-list> =
[ <line-names> | <name-repeat> ]+
<track-breadth> =
<length-percentage [0,∞]> |
<flex [0,∞]> |
min-content |
max-content |
auto
<inflexible-breadth> =
<length-percentage [0,∞]> |
min-content |
max-content |
auto
<length-percentage> =
<length> |
<percentage>
<track-repeat> =
repeat( [ <integer [1,∞]> ] , [ <line-names>? <track-size> ]+ <line-names>? )
<fixed-size> =
<fixed-breadth> |
minmax( <fixed-breadth> , <track-breadth> ) |
minmax( <inflexible-breadth> , <fixed-breadth> )
<fixed-repeat> =
repeat( [ <integer [1,∞]> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )
<auto-repeat> =
repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )
<name-repeat> =
repeat( [ <integer [1,∞]> | auto-fill ] , <line-names>+ )
<fixed-breadth> =
<length-percentage [0,∞]>
示例
创建一个网格布局
HTML
<div id="container">
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
CSS
#container {
display: grid;
grid: repeat(2, 60px) / auto-flow 80px;
}
#container > div {
background-color: #8ca0ff;
width: 50px;
height: 50px;
}
结果
规范
| 规范 |
|---|
| CSS 网格布局模块 Level 2 # grid-shorthand |
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