body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: linear-gradient(135deg, #4A90E2, #EC6EAD);
    background-size: cover;
    background-attachment: fixed;
    color: #fff;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 2rem;
}

.game-container {
    background: rgba(0.9);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: fadeIn 1s ease;
}

input[type="number"] {
    width: 50px;
}

button {
    background-color: #333;
    color: #fff;
    padding: 5px 10px;
    border: none;
    cursor: pointer;
}

#message {
    font-weight: bold;
    color: #333;
    margin-top: 10px;
    font-size: 1.2rem;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}