body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

#grid-container {
    display: grid;
    grid-template-columns: repeat(10, 50px);
    grid-template-rows: repeat(10, 50px);
    gap: 2px;
}

.square {
    width: 50px;
    height: 50px;
    background-color: white;
    border: 1px solid black;
}