最小宽度 | @viewport.min-width (Device Adaptation) - CSS 中文开发手册css
min-widthCSS描述符指定经过@viewport所定义的文档的视口的最小宽度。html
默认状况下，min-width考虑到最小宽度约束，将其设置为尽量接近初始视口。浏览器
| Related at-ruleide |
@viewportorm |
|---|---|
| 初始值htm |
autoip |
| 百分比值ci |
refer to the width of the initial viewport开发 |
| 媒体文档 |
visual, continuous |
| 计算值 |
if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto |
| 规范顺序 |
the unique non-ambiguous order defined by the formal grammar |
/* Keyword value */ min-width: auto; /* <length> values */ min-width: 320px; min-width: 40em; min-width: 5cm; /* <percentage> value */ min-width: 25%;
auto使用的值是根据其余CSS描述符的值计算的。
<length>非负绝对或相对长度。
<percentage>相对于缩放因子1.0的初始视口的宽度或高度的百分比值，分别用于水平和垂直长度。确定是非负的。
<viewport-length>where <viewport-length> = auto | <length-percentage> where <length-percentage> = <length> | <percentage>
| Specification |
Status |
Comment |
|---|---|---|
| CSS Device AdaptationThe definition of '"min-width" descriptor' in that specification. |
Working Draft |
Initial definition |
| Feature |
Chrome |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari |
|---|---|---|---|---|---|
| Basic support |
29 (behind a flag) |
No support |
10 -ms |
11.10 Removed in 15 Reintroduced behind a flag in 16 |
No support |
| Feature |
Android |
Chrome for Android |
Firefox Mobile (Gecko) |
IE Mobile |
Opera Mobile |
Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support |
4.4 |
29 |
No support |
10-ms |
11.10 Removed in 15 Reintroduced behind a flag in 16 |
No support |