width:xxx px; değerlerini kendine göre düzenle.

#outer-wrapper {
  width:995px;
  margin:0 auto;
  text-align:left;
  font: $bodyFont;
  }
#main-wrap1 {
  width:485px;
  float:left;
  background:$mainBgColor url("http://www.blogblog.com/rounders2/corners_main_bot.gif") no-repeat left bottom;
  margin:15px 15px 0;
  padding:0 0 10px;
  color:$mainTextColor;
  font-size:97%;
  line-height:1.5em;
  word-wrap: break-word; /* fix for long text breaking sidebar float in IE */
  overflow: hidden;     /* fix for long non-text content breaking IE sidebar float */
  }
#main-wrap2 {
  float:left;
  width:100%;
  background:url("http://www.blogblog.com/rounders2/corners_main_top.gif") no-repeat left top;
  padding:10px 0 0;
  }
#main {
  background:url("http://www.blogblog.com/rounders2/rails_main.gif") repeat-y;
  padding:0;
  }
#sidebar-wrap {
  width:240px;
  float:right;
  margin:15px 0 0;
  font-size:97%;
  line-height:1.5em;
  word-wrap: break-word; /* fix for long text breaking sidebar float in IE */
  overflow: hidden;     /* fix for long non-text content breaking IE sidebar float */
  }
#left-sidebar-wrap {
  width:240px;
  float:left;
  margin:15px 0px 15px;
  font-size:97%;
  line-height:1.5em;
  word-wrap: break-word; /* fix for long text breaking sidebar float in IE */
  overflow: hidden;     /* fix for long non-text content breaking IE sidebar float */
  }