.rs-modal-overlay {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: gray;
    opacity: 0;
}

.rs-modal-frame {
    margin: 0;
    padding: 0;
    border: none;
    display: inline-block;
    overflow: hidden;
}

.modal-footer {
    .btn {
        min-width: 75px;
    }
}
