<!doctype html> <html> <head> <meta charset="utf-8"> <title>无标题文档</title> <style type="text/css"> div{ width:200px; height:200px; border:2px red solid; position:fixed; top:100px; right:50px; } </style> </head> <body> <div></div> <p>你是最棒的你是最棒的你是最棒的</p> <p>你是无可替代的你是无可替代的你是无可替代的</p> </body> </html>