html - How to grow side bar adjust the center - 


<html> <head>     <title>         learning css     </title>     <style type="text/css">         #header         {             padding:1px;             margin:1px;             border:1px solid #808080;             text-align:center;             height:100px;             background-color:#804040;          }         .clear          {             float:none;             clear:both;         }          #wrapper         {             width:700px;             margin:0 auto;             border:1px solid #808080;             padding:2px;             clear:both;             overflow:hidden;         }         #body_left         {             display:block;             height:100%;             position:relative;             width:130px;             float:left;             border:1px solid #808080;             margin-right:2px;         }         #body_center         {             position:relative;             width:430px;             float:left;             border:1px solid #808080;             background-color:#ffa980;         }         #body_right         {             position:relative;             width:130px;             float:left;             border:1px solid #808080;             margin-left:2px;         }         #footer         {             padding:1px;             margin:1px;             border:1px solid #808080;             text-align:center;         }                </style>  </head>  <body>     <div id="wrapper">         <div id="header">&nbsp;</div>             <div id="body_left">&nbsp;</div>             <div id="body_center">center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />         center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br />center<br /></div>             <div id="body_right">&nbsp;</div>             <div class="clear"></div>             <div id="footer">&nbsp;</div>     </div> </body>

when use height 100% in body_left, still not right answer. please me

i think looking :)

http://jsfiddle.net/jeaffreygilbert/rtzfj/


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