.modal.fade.in {
    opacity: 1;
}

.modal-backdrop.fade {
    opacity: 0.5 !important;
}

.modal.fade .modal-dialog {
    transform: translate(0, 0) !important;
}

.accordion-button::after {
    transition: all .5s;
    transform: rotate( 0deg );
}

.accordion-button:not(.collapsed)::after {
    transform: rotate( -180deg );
}