尺寸
block-size
用于设置元素块大小的工具。
| 类 | 样式 |
|---|---|
block-<number> | block-size: calc(var(--spacing) * <number>); |
block-<fraction> | block-size: calc(<fraction> * 100%); |
block-auto | block-size: auto; |
block-px | block-size: 1px; |
block-full | block-size: 100%; |
block-screen | block-size: 100vh; |
block-dvh | block-size: 100dvh; |
block-dvw | block-size: 100dvw; |
block-lvh | block-size: 100lvh; |
block-lvw | block-size: 100lvw; |
block-svh | block-size: 100svh; |
block-svw | block-size: 100svw; |
block-min | block-size: min-content; |
block-max | block-size: max-content; |
block-fit | block-size: fit-content; |
block-lh | block-size: 1lh; |
block-(<custom-property>) | block-size: var(<custom-property>); |
block-[<value>] | block-size: <value>; |
示例(Examples)
基本示例(Basic example)
使用像 block-24 和 block-64 这样的 block-<number> 工具,根据间距比例将元素设置为固定的块大小:
🌐 Use block-<number> utilities like block-24 and block-64 to set an element to a fixed block size based on the spacing scale:
<div class="block-96 ...">block-96</div><div class="block-80 ...">block-80</div><div class="block-64 ...">block-64</div><div class="block-48 ...">block-48</div><div class="block-40 ...">block-40</div><div class="block-32 ...">block-32</div><div class="block-24 ...">block-24</div>使用百分比(Using a percentage)
使用 block-full 或 block-<fraction> 工具,如 block-1/2 和 block-2/5,给元素设置基于百分比的块大小:
🌐 Use block-full or block-<fraction> utilities like block-1/2 and block-2/5 to give an element a percentage-based block size:
<div class="block-full ...">block-full</div><div class="block-9/10 ...">block-9/10</div><div class="block-3/4 ...">block-3/4</div><div class="block-1/2 ...">block-1/2</div><div class="block-1/3 ...">block-1/3</div>匹配视口(Matching viewport)
使用 block-screen 工具让一个元素跨越视口的整个块大小:
🌐 Use the block-screen utility to make an element span the entire block size of the viewport:
<div class="block-screen"> <!-- ... --></div>匹配动态视口(Matching dynamic viewport)
使用 block-dvh 工具使一个元素跨越整个视口的块大小,这个大小会随着浏览器界面的扩展或收缩而变化:
🌐 Use the block-dvh utility to make an element span the entire block size of the viewport, which changes as the browser UI expands or contracts:
<div class="block-dvh"> <!-- ... --></div>匹配大视口(Matching large viewport)
使用 block-lvh 工具将元素的块级大小设置为视口的最大可能大小:
🌐 Use the block-lvh utility to set an element's block size to the largest possible size of the viewport:
<div class="block-lvh"> <!-- ... --></div>匹配小视口(Matching small viewport)
使用 block-svh 工具将元素的块大小设置为视口的最小可能大小:
🌐 Use the block-svh utility to set an element's block size to the smallest possible size of the viewport:
<div class="block-svh"> <!-- ... --></div>使用自定义值(Using a custom value)
使用 block-[<value>] 语法 根据完全自定义的值设置 block size:
<div class="block-[32rem] ..."> <!-- ... --></div>对于 CSS 变量,还可以使用 block-(<custom-property>) 语法:
<div class="block-(--my-block-size) ..."> <!-- ... --></div>这只是简写,用于 block-[var(<custom-property>)] 它会自动为你添加 var() 函数。
响应式设计(Responsive design)
在 block-size 工具前面使用断点变体如 md: 仅在 medium 屏幕尺寸及以上时应用工具:
<div class="block-1/2 md:block-full ..."> <!-- ... --></div>请参阅 变体文档 详细了解如何使用变体。
自定义主题(Customizing your theme)
该 block-<number> 工具由 --spacing 主题变量驱动,可以在你自己的主题中进行自定义:
@theme { --spacing: 1px; }在主题变量文档中了解有关自定义间距比例的更多信息。