1 <html> 2 <head> 3 </head> 4 5 <body> 6 <div style="margin:0 auto;600px;border:1px solid red;height:aoto;"> 7 <div style="float:left;65%;margin:5px;border:1px solid green;">111</div> 8 <div style="float:right;30%;margin:5px;border:1px solid green;">222</div> 9 <div style="clear:both;"></div> 10 </div> 11 12 </body> 13 </html>