top的高度是100 main由于里边的left等元素高度为600 为什么footer要margin:600px 0 0 0;而不是700?
top的高度是100 main由于里边的left等元素高度为600 为什么footer要margin:600px 0 0 0; 而不是margin:700px 0 0 0;
top的高度是100 main由于里边的left等元素高度为600 为什么footer要margin:600px 0 0 0; 而不是margin:700px 0 0 0;
2016-06-15
你代码怎么在写,表示你理解错了
<!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=utf-8" /> <title>混合布局</title> <style> body{ margin:0; padding:0; font-size:30px; font-weight:bold} div{ text-align:center; line-height:50px} .top{ height:100px;background:#9CF} .head,.main{ width:960px;margin:0 auto;} .head{ height:100px; background:#F90} .left{ width:220px; height:600px; background:#ccc; float:left;} .right{ width:740px; height:600px;background:#FCC; float:right} .r_sub_left{ width:540px; height:600px; background:#9C3; float:left} .r_sub_right{ width:200px; height:600px; background:#9FC; float:right;} .footer{ height:50px; background:#9F9;clear:both;} </style> </head> <body> <div class="top"> <div class="head">head</div> </div> <div class="main"> <div class="left">left</div> <div class="right"> <div class="r_sub_left">sub_left </div> <div class=" r_sub_right">sub_right </div> </div> </div> <div class="footer">footer</div> </body> </html>
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