body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

form input, form button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 10px;
    font-size: 16px;
}

form button {
    background: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
}

.error {
    color: red;
    text-align: center;
}

.menu .items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.menu .item {
    border: 1px solid #ddd;
    padding: 15px;
    width: 200px;
    text-align: center;
    background: #fff;
}