溢出显示空白的解决办法：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
*{margin: 0;padding: 0;}
.top_wrap{
background:red;
min-width:1200px;
width:100%;
}
.top{
background: #303133;
color:#fff;
display: flex;
flex-direction:row;
justify-content:space-between;
width:1200px;margin: 0 auto;
}
p{
}
</style>
</head>
<body>
<div class="top_wrap">
<div class="top">
<p>p1</p>
<p>p2</p>
</div>
</div>
</body>
</html>
