“Tambahkan latar belakang ke modal CSS” Kode Jawaban

Tambahkan latar belakang ke modal CSS

.custom-modal-backdrop {
  background-color: rgba(0,0,0,0.7);
}

<div class="modal fade custom-modal-backdrop" id="health_Modal" tabindex="-1" aria-labelledby="health_ModalLabel" aria-hidden="true">