div.main_contents {
  float: left;
  width: 740px;
  
}

div.main_contents img {
  margin-bottom: 0;
}

div.main_contents_body {
  background: url(../images/common/sub_main_bg.gif) top center repeat-y;
  width: 740px;
  margin-top: 0;
}

div.main_contents_body table {
  margin: auto;
  border: 1px solid #2E2E00;
}

div.main_contents_body table th {
  background: url(../images/history/cell_bg.jpg) top center no-repeat;
  width: 140px;
  height: 40px;
  color: #FFF;
  border: 1px solid #2E2E00;
}

div.main_contents_body table td {
  color: #2E2E00;
  text-align: left;
  border: 1px solid #2E2E00;
  border-bottom: 1px dotted #2E2E00;
  padding-left: 1em;
  padding-right: 1em;
}

div.main_contents_foot {
  margin-bottom: 50px;
}