html{
    background-color: black;
    cursor: none;
}
main{
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
td{
    width: fit-content;
}
.circle{
    display: flex;
    width: 10vw; height: 10vw;
    background-color: gray;
    border-radius: 50%;
    margin: 1vw;
}