CSS参考手册
媒体查询 | Media Queries
比率 |
<ratio>
CSS数据类型,用于描述媒体查询的纵横比,表示两个无单位值之间的比例。
语法
比率由的组成为:严格的正数 <integer>,
以及后面斜杠 ('/', Unicode U+002F SOLIDUS
),和后面第二个严格的正数 <integer>
斜杠前后的空格是可选的。第一个数字代表宽度,第二个数字表示高度。
实例
|
Ratio |
Usage |
---|---|---|
|
4/3 |
Traditional TV format in the 20th century. |
|
16/9 |
Modern "widescreen" TV format. |
|
185/100 = 91/50 (non-integer dividends and divisors are not allowed) |
The most common movie format since the 1960s. |
|
239/100 (non-integer dividends and divisors are not allowed) |
"Widescreen", anamorphic movie format. |
规范
Specification |
Status |
Comment |
---|---|---|
Media QueriesThe definition of '<ratio>' in that specification. |
Recommendation |
Initial definition. |
浏览器兼容性
Feature |
Chrome |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari (WebKit) |
---|---|---|---|---|---|
Basic support |
(Yes) |
3.5 (1.9.1) |
9 |
9.5 |
(Yes) |
Feature |
Android |
Firefox Mobile (Gecko) |
IE Phone |
Opera Mobile |
Safari Mobile |
---|---|---|---|---|---|
Basic support |
(Yes) |
(Yes) |
? |
(Yes) |
(Yes) |
媒体查询 | Media Queries相关

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