div.blog {
  padding : 0 15px 0 15px;
  width: 698px;
  background : url(/images/box_middle.gif) repeat-y;
  margin: 15px;
}
div.header-left div.blog {
  margin-left: 3px;
}

div.blog_top {
  background: url(/images/box_top.gif) no-repeat;
  width: 728px;
  height: 12px;
  margin-left: -15px;
}
div.blog_bottom {
  background: url(/images/box_bottom.gif) no-repeat;
  width: 728px;
  height: 18px;
  margin-left: -15px;
}