body {
    font-family: Arial, sans-serif;
    text-align: center;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 5px;
    margin: auto;
}

.cell {
    width: 100px;
    height: 100px;
    background-color: #ddd;
    display: flex;
    align-items: center;
    
    font-size: 40px;
    cursor: pointer;
    justify-content: center;    
}

.cell:hover{
    background-color: white;
}


#restartButton:hover {
 background-color: black;
 color:white;
    transition: all;
    transition-duration: 500ms;
}