<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>浮动元素倒数2个莫名垂直间距bug（超过3浮动元素）</title>
<style type="text/css">
html, body {
background: #fff;
color: #333;
}
div {
width: 100px;
}
p {
margin-right: 1px;
}
span {
border: 1px solid #aaa;
float: left;
width: 120px;
padding: 5px;
}
</style>
</head>
<body>
<div>
<p>
<span>A</span>
<span>B</span>
<span>C</span>
<span>D</span>
</p>
</div>
</body>
</html>
