<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>换行与水平分割线标记的应用</title> </head> <body> <h4>换行与水平分割线标记的应用</h4> <p><em>大小为3, 宽度为60%, 居中</em></p> <hr size="3" width="60%" color="#330099" align="center"/> <strong>宽度为600px, 大小为5, 绿色, 居右对齐</strong><br /><br /> <hr width="600px" size="5" color="#00ee99" align="right"/> </body> </html>