body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #2c2f33;
    color: white;
    margin-top: 50px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.2);
}

button {
    background-color: #7289da;
    color: white;
    border: none;
    padding: 15px 25px;
    font-size: 18px;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 5px;
}

button:hover {
    background-color: #5b6eae;
}

.hidden {
    display: none;
}

.milk-image {
    width: 250px;
    margin-top: 20px;
    animation: fadeIn 1s ease-in-out;
    border-radius: 10px;
}

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