#config-tab-upload-modal {
    max-width: none;
    width: 90%;
}

#variable-creation-modal {
    max-width: none;
    width: 70%;
    z-index: 1060;
}

/* Darken the backdrop/overlay behind the modal - covers parent modal too */
#variable-creation-modal::backdrop,
#variable-creation-modal ~ .modal-backdrop,
.modal-backdrop.show {
    background-color: rgba(0, 0, 0, 0.85);
    opacity: 1;
    z-index: 1055;
}

/* Ensure the nested modal backdrop appears above the parent modal */
.modal.show ~ .modal-backdrop.show {
    z-index: 1055;
}