body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(45deg, #ff6f61, #de4463, #2b9eb3);
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    text-align: center;
}

.container h1, .message{
    font-size: 2rem;
    color: white;
    margin: 50px;
}

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

.cell {
    width: 100px;
    height: 100px;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    cursor: pointer;
    transition: background 0.3s;
}

.cell:hover {
    background: #e0e0e0;
}

.message {
    font-size: 1.5rem;
    margin: 20px;
}

.button {
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    background: #ffffff;
    color: #333;
    border-radius: 5px;
    transition: background 0.3s;
}

.button:hover {
    background: #e0e0e0;
}