div.checkage {
    filter: blur(50px);
}

div.checkage2 {
    background-color: black;
    z-index: 1;
    position: fixed;
    top : 0;
    left : 0;
    right : 0;
    bottom : 0;
    opacity: 0.5;
}

div.checkage3 {
    position: absolute;
    top : 30vh;
    margin : auto;
    padding: 20px;
    font-size: 2em;
    border-radius: 20px;
    width: 50%;
    left: 25%;
    text-align: center;
}

div.checkage4 {
    padding: 10px;
    border-radius: 10px;
    background-color: var(--gray);
    color: var(--pink);
    margin: 10px;
    width: auto;
    cursor: pointer;
}