<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Aspect Ratio Example</title>
</head>
<body>
<div class="container">
<div class="box ar-16-9">16:9</div>
<div class="box ar-1-1">1:1</div>
<div class="box ar-3-2">3:2</div>
</div>
</body>
</html>
.container {
display: grid;
gap: 20px;
grid-template-columns: repeat(3, 100px);
}
.box {
background-color: teal;
color: white;
display: flex;
align-items: center;
justify-content: center;
font-size: 16px;
}
.ar-16-9 {
/* 横幅16:縦幅9 */
aspect-ratio: 16 / 9;
width: 100px;
height: auto;
}
.ar-1-1 {
/* 横幅1:縦幅1 */
aspect-ratio: 1 / 1;
width: 100px;
height: auto;
}
.ar-3-2 {
/* 横幅3:縦幅2 */
aspect-ratio: 3 / 2;
width: 100px;
height: auto;
}
External CSS
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External JavaScript
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