body {
    background: #111;
    color: orange;
    font-family: Arial, sans-serif;
    text-align: center;
}

h1 {
    margin-top: 20px;
}

.grid {
    width: 330px;
    margin: 20px auto;
    display: grid;
    grid-template-columns: repeat(3, 100px);
    gap: 10px;
}

.tile {
    width: 100px;
    height: 100px;
    background: #222;
    border: 2px solid orange;
    font-size: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
}

.tile:hover {
    background: #333;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background: orange;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}