body {
background-image: url('../images/dust_scratches.png');
margin: 0;
display: flex;
justify-content: center;
flex-direction: column;
font-family: Arial, Helvetica, sans-serif;
color: #777777;
}
.wrapper {
border: 2px solid blue;
max-width: 960px;
padding: 0px 20px 0px 20px;
background-color: #ffffff;
border: 1px solid #dddddd;
max-height: 800px;
}

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Page Title</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" media="screen" href="assets/css/style.css" />
</head>
<body>
<div class="wrapper">
<a href="https://placeholder.com"><img src="http://via.placeholder.com/247x208"></a>
<a href="https://placeholder.com"><img src="http://via.placeholder.com/247x208"></a>
<a href="https://placeholder.com"><img src="http://via.placeholder.com/247x208"></a>
<a href="https://placeholder.com"><img src="http://via.placeholder.com/247x208"></a>
<a href="https://placeholder.com"><img src="http://via.placeholder.com/247x208"></a>
</div>
</body>
</html>
&#13;
所以我想尽可能使用flexbox。但是在提供全屏的初始页面加载时,我想每行只显示两个图像,然后最后一行只有一个图像。但是,如果我收缩页面,它会响应调整。
我怎样才能实现这个目标?