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本文档使用
php.cn手册 发布
文字
语法：
aspect-ratio：<ratio>
取值：
<ratio>：指定比率
说明：
定义输出设备中的页面可见区域宽度与高度的比率。
本特性接受min和max前缀，因此可以派生出min-aspect-ratio和max-aspect-ratio两个媒体特性。
简单列举几个应用示例：
@media screen and (aspect-ratio:1680/957){ … }
@import url(example.css) screen and (max-aspect-ratio:20/11);
兼容性：
示例：
实例
<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>media features aspect-ratio_CSS参考手册_web前端开发参考手册系列</title>
<meta name="author" content="Joy Du(飘零雾雨), dooyoe@gmail.com, www.doyoe.com" />
<style>
@media screen and (max-aspect-ratio:20/11){
body{color:#f00;}
}
</style>
</head>
<body>
<div class="test">当输出设备中的页面可见宽度与高度比率小于或等于20:11时，本行文字显示为红色</div>
<script>
</script>
</body>
</html>
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