根据内容增加div高度,不阻挡兄弟div

<!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>
        div{
            white-space: normal;
            word-break: break-all;
            word-wrap: break-word;
        }
    </style>
</head>
<body>
   <div style="height:300px;overflow-y: auto">
<div style="width: 100px;border: 3px solid pink">
 I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii I am a doibiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
</div>
<div style="height: 100px;">
    111111111111111111111111111111
</div>

   </div>
</body>
</html>

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转载自blog.csdn.net/SQY_candy/article/details/81275143
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