dimension

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

<dimension> CSS 数据类型是一个带有单位的<number>,例如:10px

CSS 使用度量值来描述距离 (<length>),时间 (<time>),频率 (<frequency>),分辨率 (<resolution>) 以及其他量。

格式

<dimension> 的格式是一个<number>后紧随一个是标记符的单位,单位大小写不敏感。

Examples

合法的度量值

12px      12 像素
1rem      1 rem
1.2pt     1.2 点
2200ms    2200 毫秒
200hz     200 赫兹
200Hz     200 赫兹 (单位大小写不敏感)

非法的度量值

12 px       单位必须紧随数字,不能有空格
12"px"      单位是标识符,不能加引号

规范

Specification
CSS Values and Units Module Level 4
# dimensions

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
<dimension>

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support