<!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>