body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
    color: #333;
}

.menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.menu-item {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 10px;
    padding: 15px;
    width: 200px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.menu-item.out-of-stock {
    opacity: 0.5;
}

.menu-item h2 {
    font-size: 1.5em;
    margin: 0;
}

.menu-item p {
    margin: 5px 0;
}

.menu-item button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}

.menu-item button:disabled {
    background-color: #ccc;
}