body {text-align:center; background:#b9b7b5; width:95%;}
#main {
   margin:0 auto;
   text-align:left;
   background: #3a2917;
}
.leftcol {width: 300px; float:left;   height: auto;}
.rightcol {width: 920px; float:left;}
#main, #header, #acontent, #footer {width:1220px}
#header {
   background: #ffffff;
   height: 160px;
}

#header .rightcol{
   background: #3a2917; 
   height: 100%
}

#acontent{
   background: #cccccc;

}

#acontent .leftcol{
   background: #cccccc;
   height: auto;
}  
#acontent  .rightcol{background: #3a2917; }

#footer {background: #ffffff}