<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>無標(biāo)題文檔</title><style type="text/css">.mainbox{??? width:960px;??? background-color:#CFF;??? float:left;}.leftBox{??? width:740px;??? background-color:#C9F;??? height:300px;??? float:left;}.rightBox{??? width:210px;??? height:300px;??? background-color:#FCF;??? float:right;}</style></head><body><div class="mainbox"> <div class="leftBox"></div><div class="rightBox"></div></div></body></html>
為什么這樣寫也是實(shí)現(xiàn)了提出的任務(wù)的，可以這樣寫嗎？
楊烊洋洋3379142
2017-08-07 15:51:21
