body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    transition: background 0.4s ease;
    font-family: Arial, sans-serif;
}

.container {
    text-align: center;
}

button {
    padding: 12px 25px;
    background: #333;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 18px;
    border-radius: 6px;
    transition: 0.3s;
}

button:hover {
    background: #555;
}

#colorCode {
    margin-top: 20px;
    font-size: 20px;
}