th,
td {
    text-align: left;
    padding: 8px;
    transition: all 0.3s;
}

tr:nth-child(even) {
    background-color: #ddd;
}

th {
    background-color: #4caf50;
    color: white;
}

#result_table .table.table-responsive table thead th {
    background-color: grey !important;
    border: 1px solid black;
    color: white;
    position: sticky;
    top: 53px;
    z-index: 2;
}

#result_table {
    position: relative;
}