子元素margin带动父元素拖动 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>活动</title>

<style>
        .top{
            background: orange;
            padding-top:1px;
            /*border:1px solid transparent;*/
            /*overflow:hidden;*/
        }
        .abs{
            position: absolute;
            top:40px;
            right:20px;
        }
    </style>
</head>
<body>
    <div class="top">
        <div class="page-header">
            <h2 class="text-center text-danger">活动</h2>
            <span class="text-right pull-right abs"><img src="src/assets/logo.png" alt="" width="30" height="30"></span>
        </div>
    </div>
</body>
</html>

　　

posted @ 2017-02-21 15:35  宫圆薰  阅读(735)  评论(0)    收藏  举报