#state-prompt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    z-index: 10000;
}
#state-prompt {
    position: fixed;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    z-index: 10001;
}
#save-state {
    margin-top: 15px;
    float: right;
}