请使用 css 实现如图所示的布局样式。
html:
<div class="box">
<div class="column">
<span class="item"></span>
<span class="item"></span>
</div>
<div class="column">
<span class="item"></span>
<span class="item"></span>
</div>
</div>
CSS:()
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> <style> .box { width: 200px; height: 200px; border-radius: 10px; background-color: azure; display: flex; flex-direction: column; justify-content: space-around; } .box .column { display: flex; justify-content: space-around; } .box .item { width: 20px; height: 20px; border-radius: 50%; background-color: brown; } </style> </head> <body> <div class="box"> <div class="column"> <div class="item"></div> <div class="item"></div> </div> <div class="column"> <div class="item"></div> <div class="item"></div> </div> </div> </body> </html>