.stnumyi {
  border: 0px;
}
.stnumyi tr {
  border: 1px solid #f0f0f0;
}
.lob {
  border-right: 1px solid #f0f0f0;
}
.lrob {
  border-right: 1px solid #f0f0f0;
  border-left: 1px solid #f0f0f0;
}