.modal {
    opacity: 0;
    display: none;
    transition: left 0.4s;
}

.modal-dialog-scrollable {
    height: calc(100% - 3.5rem - 96px) !important;
}

.modal.show {
    opacity: 1;
    display: block;
    margin-top: 84px;
}

@media screen and (min-width: 1200px) {
    .belt-body:not(.belt-expand-body-content) .modal {
        left: calc(256px / 2);
    }
}

@media screen and (min-width: 992px) and (max-width: 1200px) {
    .belt-body:not(.belt-expand-body-content) .modal {
        left: calc(224px / 2);
    }
}

@media screen and (min-width: 768px) and (max-width: 992px) {
    .belt-body:not(.belt-expand-body-content) .modal {
        left: calc(196px / 2);
    }

    .belt-body.belt-expand-body-content .modal {
        left: calc(68px / 2);
    }
}