body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
}

header {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #444;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 10px;
    display: inline-block;
}

nav ul li a:hover {
    background-color: #666;
    border-radius: 5px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

.product {
    background-color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.product img {
    max-width: 100%;
    border-radius: 10px;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 15px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 10px;
}

button:hover {
    background-color: #218838;
}

#reviews {
    background-color: #fff;
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.review {
    background-color: #f1f1f1;
    padding: 10px;
    margin: 10px 0;
    border-left: 5px solid #28a745;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    margin-top: 20px;
}