<html> <head> <title>My First Style Sheet</title> <link rel="stylesheet" type="text/css" href="main.css"> </head> <body> <h1> ???????????? </h1> <h2> ?????????...? </h2> <p>????????????????????????????????? ???????????????????????????????? ???????????????????????? ???????????????<a href="url"></a>???</a> </p> <h2> 2021/11/21.23 ????????????? </h2> <p>?????????????</p> <h2> </h2> </body> </html>