.dc {
  vertical-align: top;
}

.h30 {
  height: 30px;
}

.nth {
  text-align: right;
  padding-right: 10px;
  font-size: 80%;
  vertical-align: bottom;
}

.sg {
  padding-right: 10px;
  text-align: right;
}

.sgn {
  width: 120px;
  padding: 4px 8px;
  text-align: right;
}

.std {
  max-height: 300px;
  width: 700px;
  overflow: auto;
  display: inline-block;
  vertical-align: top;
}

.tc {
  width: 100px;
  padding: 4px 8px;
  text-align: right;
}

.th {
  text-align: center;
  padding-right: 10px;
}