body {
    font-family: Arial, sans-serif;
    background-color: black;
    color: white;
    text-align: center;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    animation: fadeIn 2s ease-in-out;
}

.title {
    font-size: 3rem;
    font-weight: bold;
}

.start-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

.start-btn:hover {
    transform: scale(1.1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}