body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}

header {
    background: #222;
    color: white;
    padding: 20px 0;
}

h1 {
    margin: 0;
}

p {
    font-size: 18px;
}

#produk {
    padding: 20px;
}

.produk {
    background: white;
    margin: 20px auto;
    padding: 20px;
    width: 80%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.produk h3 {
    margin-bottom: 10px;
}

select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

button {
    background: #27ae60;
    color: white;
    border: none;
    padding: 10px;
    width: 100%;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
}

button:hover {
    background: #219150;
}

footer {
    background: #222;
    color: white;
    padding: 10px;
    margin-top: 20px;
}