body {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#reset-button {
    margin: 10px;
    padding: 10px;
}

#grid {
    display: flex;
    flex-wrap: wrap;
    margin: auto;
    width: 512px;
    height: 512px;
    border: 1px solid black;
}