纵横比 | @media.aspect-ratio
@media.andand-比率
该aspect-ratio CSS @media媒体功能可用于应用基础上的纵横比视觉效果。
语法
该aspect-ratio特征被指定为<ratio> 值表示表示视口的宽高比宽高比的值。这是一个范围功能，这意味着您也可以使用前缀min-aspect-ratio和max-aspect-ratio变量分别查询最小值和最大值。
例
HTML
<div>Watch this element as you resize your viewport's width and height.</div>
CSS
/* Exact aspect ratio */
@media (aspect-ratio: 1/1) {
div {
color: red;
}
}
/* Minimum aspect ratio */
@media (min-aspect-ratio: 8/5) {
div {
background: yellow;
}
}
/* Maximum aspect ratio */
@media (max-aspect-ratio: 2/1) {
div {
border: 2px solid blue;
}
}
结果
规范
| Specification | Status | Comment |
|---|---|---|
| Media Queries Level 4The definition of 'aspect-ratio' in that specification. | Working Draft | No change. |
| Media QueriesThe definition of 'aspect-ratio' in that specification. | Recommendation | Initial definition. |
浏览器兼容性
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | ? | 3.5 (1.9.1) | 9.0 | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | ? | ? | ? | ? | ? |
