CSS定位 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <style type="text/css">
            #div1{
                background-color: #FF0000;
                border: 1px black solid;
                width: 18.75rem;
                height: 18.75rem;
                position: absolute;
                left: 6.25rem;
                top: 6.25rem;
                
            }
        </style>
    </head>
    <body>
        <div id="div1">
            
        </div>
    </body>
</html>

 

posted @ 2021-01-26 01:33  渐行、渐远  阅读(48)  评论(0)    收藏  举报