实现宽高比 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .content {
            width:50%;
            margin:0 auto;
            background-color: #b54141;
            aspect-ratio:16/9;
        }
    </style>
</head>
<body>
    <div class="content">


    </div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        html,body {
            margin:0;
            padding:0;
        }
        .content {
            width:50%;
            background-color:rgb(9, 182, 30);
            margin:0 auto;
        }
        .inner {
            width:100%;
            padding-top:75%;
            position:relative;
        }
        .con {
            position: absolute;
            background-color: #000;
            inset:0;
        }
    </style>
</head>
<body>
    <div class="content">
        <div class="inner">
            <div class="con"></div>
        </div>
    </div>
</body>
</html>

　　

posted @ 2024-12-14 15:48  国服第一李师师  阅读(8)  评论(0)    收藏  举报