.nav-tabs {
        border-bottom: 0px;
    }
    
    
.card-footer {
  border-top: 1px solid rgba(0,0,0,.05); /* light mode */
}
[data-bs-theme="dark"] .card-footer {
  border-top: 1px solid rgba(255,255,255,.1); /* dark mode */
}
    

.card-header {
  border-top-left-radius: 0.5rem;   /* match your card’s radius */
  border-top-right-radius: 0.5rem;
  background-color: var(--bs-card-cap-bg); /* adapts for light/dark mode */
  border-bottom: 1px solid var(--bs-border-color); /* optional separator */
}

    
/*    .card-header  {
        background-color: transparent;
    }*/