submit-social-housing-lettings-and-sales-data/app/frontend/styles/_bulk-uploads.scss

.grouped-rows td {
  border-top: none;
  border-bottom: none;
}

.grouped-rows.first-row td {
  border-top: 1px solid #b1b4b6;
}

.grouped-rows.last-row td,
.grouped-rows .grouped-multirow-cell {
  border-bottom: 1px solid #b1b4b6;
}

.text-normal-break {
  white-space: normal;
  word-break: break-all;
}