.modal-fullscreen{
    height: 100%;
    min-width: 100% !important;
    margin : 0 !important;
}
.modal-fullscreen .modal-content{
    border-radius: 0px !important;
    height: 100%;
}

.modal-fullscreen .modal-header,
.modal-fullscreen .modal-footer{
    flex-shrink: 0!important;
}

.modal-fullscreen .modal-body{
    overflow: auto !important;
}