body {
 font-family: sans-serif;
 text-align: center;
 background-color:thistle;

}

#game {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 5px;
    justify-content: center;
    margin: 20px auto;

}

.cell {
    width: 100px;
    height: 100px;
    background: #f4f4f4;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    border: solid 2px #a7a7a7;
}

.cell.taken {
    cursor: not-allowed;
}

#status {
    font-size: 1.2rem;
    margin: 15px;
}


button {
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
}