<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <meta name="generator" content="PSPad editor, www.pspad.com"> <title></title> <style> #container { width:1000px; background:gray; } #header { height:120px; background:orange; } #main { height:600px; background:green; } #lside { hight:600px; width:700px; background:pink; float:left; } #rside { hight:600px; width:300px; background:black; float:right; } #footer { height:120px; background:blue; } </style> </head> <body> <div id = "container"> <div id = "header"></div> <div id = "main"> <div id = "lside"></div> <div id = "rside"></div> </div> <div id = "footer"></div> </div> </body></html>为什么左右没有显示
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