xxxxxxxxxx<html><head><meta charset="utf-8"> <title>W3Cschool教程(w3cschool.cn)</title> <style> #para1 { text-align:center; color:red; } </style></head><body> <p id="para1">你好，世界！！！</p> <p>此段落不受样式的影响。</p></body></html>