.overlayBlock{
    position: fixed;
    top:0;
    left:0;
    right:0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 100;
    align-items: center;
    justify-content: center;
    color: lightgoldenrodyellow;
    font-size: 3em;
    font-family: fantasy;
    display: flex;
 }