小游戏移动盒子到中间

A盒子300宽高，B盒子100，把B盒子放到A盒子中间--------------------------------------<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>移动盒子</title>
    <style>
        .div1{
            height: 300px;
            width: 300px;
            border: solid 2px;
            background-color: chartreuse;
            padding-left: 150px;
            padding-top: 150px;
        }
        .div2{

            height: 100px;
            width: 100px;
            border: solid 2px;
            background-color: red;
        }
    </style>
</head>
<body style="position: center">
    <div class="div1">fewfewf
        <div class="div2">ewfew</div>
    </div>
</body>
</html>

原文地址：https://www.cnblogs.com/TKOPython/p/12686487.html