input:focus {
  outline: none;
  border-color: #ef4444; /* red-500 */
}

  .active-tab {
    background-color: white;
    color: black;
    border-top-left-radius: 0.5rem;   /* rounded-t-lg */
    border-top-right-radius: 0.5rem;  /* rounded-t-lg */
  }