table.outagesByCounty tbody tr:first-child td {
  border-top: 1px solid #ddd;
}

table.outagesByCounty tr:hover td:not(.county),
table.outagesByCounty tbody:hover td.county {
  background-color: #f2f2f2;
}

table.outagesByCounty td.county {
  vertical-align: top;
}

table.outagesByCounty td.customers,
table.outagesByCounty th.customers {
  text-align: right;
}