
让div层居中的两个方法 |
<!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>div</title> <style> #main_container{ border:1px solid #000000; height:400px; width:600px; margin-right:auto; margin-left: auto; } #main_container2{ width:500px; background-color:red; left:50%; margin-left:-260px; position:relative; } </style> </head> <body> <div id="main_container"> div1 </div> <div id="main_container2"> div 2 </div> </body> </html> |