.modal-backdrop {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    background-color: rgba(0, 0, 0, 0);
    transition: backdrop-filter 0.4s ease-in-out, background-color 0.4s ease-in-out;
}

.modal-backdrop.show {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    background-color: rgba(0, 0, 0, 0.5);
}