* {
    margin: 0;
    padding: 0;
}

h1 {
    margin: 20px 5px;
}

h2 {
    margin-bottom: 15px;
}

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

.container {
    width: fit-content;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.cell {
    width: 100px;
    height: 100px;
    padding: 10px;
    font-weight: bold;
    font-size: 2rem;
}

.cell:hover, .new-game {
    cursor: pointer;
}

.new-game {
    display: none;
    padding: 5px 10px;
    margin-top: 20px;
}