@media (min-width: 992px) {
        .header_father {
            padding-bottom: 10px;
        }
    }
    .header_father {
      background-color: white;
    }
    .header {
        max-width: 1200px; 
        height: 50px;
        line-height: 50px;
        margin: 0 auto;
    }
    .tab {
        display: flex; justify-content: flex-end;
    }
    .tab a{
        font-size: 16px;
        font-weight: 500;
        display: inline-block;
        text-decoration: none;
        color: black; margin-left: 16px;
    }
    .active{
        font-size: 18px;
        font-weight: 500;
        color: rgba(0, 47, 231, 1) !important;
        border-bottom: 4px solid rgba(0, 47, 231, 1);
    }