.modal {
    display: block !important;
    overflow-y: scroll !important;
}

.modal .modal-dialog {
    margin: 40px auto;
    width: 80%;
}

    .modal .modal-dialog .modal-content .modal-footer {
        border-top: none;
    }

.modal-bkg {
    background-color: rgba(0,0,0,0.5);
}

@media (min-width: 768px) {
    .modal .modal-dialog {
        width: 75%;
    }
}

@media (min-width: 1200px) {
    .modal .modal-dialog {
        width: 40%;
    }
}