<!DOCTYPE html>
<html>
<head>
    <title>flexible box flex item float effect</title>
    <link rel="author" title="zhouli" href="mailto:liz@oupeng.com">
    <style>
        #myDiv{
            position: relative;
        }
        #myDiv p{
            width: 300px;
            height: 30px;
            display: inline-block;
            margin: 0;
        }
        #first-p{
            background-color: green;
        }
        #second-p{
            background-color: blue;
        }
        #myDiv #fail-