.search-results-table {
  font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

.search-results-table td, .search-results-table th {
  border: 1px solid #ddd;
  padding: 8px;
}

<!-- .search-results-table td {
  font-family:  Arial, Helvetica, sans-serif;
} -->

.search-results-table tr:nth-child(even){background-color: #f2f2f2;}

.search-results-table tr:hover {background-color: #ddd;}

.search-results-table th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: maroon;
  color: white;
}

<!-- horzontal line -->
  hr.class-2 {
            border-top: 3px double #8c8b8b;
 }

<!--  bordering the table-->
table.table-bordered{
    border:1px solid blue;
    margin-top:20px;
  }
table.table-bordered > thead > tr > th{
    border:1px solid blue;
}
table.table-bordered > tbody > tr > td{
    border:1px solid blue;
}