                        课程
                    
                        /前端开发
                        
                            /HTML/CSS
                        
                        /CSS深入理解之relative

error?

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>CSS 定位：relative &&  absolute</title>
    <style>        
        .relative{            
            background-color: #0f0;
            width: 100px;
            height: 100px;
            position: relative;
            right: 200px;
            bottom: 200px;
        }        
    </style>
</head>
<body>
    <div>
        <div>
            <!--  -->
        </div>
    </div>
</body>
</html>