代碼
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
.demo{
display: flex;
}
.child-1{
flex:auto;
order:2;
background: #000;
}
.child-2{
flex:auto;
order:1;
background: rgb(255, 2, 2);
}
</style>
</head>
<body>
<div class="demo">
<div class="child-1">
1
</div>
<div class="child-2">
2
</div>
</div>
</body>
</html>
運行結果