.custom-data td, .custom-data th {
    border: none;
}
th.header-nav {
    color: #5f666c;
    font-weight: 700;
    font-size: 18px;
    padding: 7px 20px;
}
.custom-data table{
    border-collapse: collapse;
    border: none;
    border-top: 2px solid #ddd;
    border-bottom: 2px solid #ddd;
}
th.header-nav-parent {
    color: #5f666c;
    font-weight: 600;
    font-size: 15px;
    padding: 3px 20px 10px;
    text-align: left;
}