body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #4a4a4a;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav a {
    margin: 0 1rem;
    color: white;
    text-decoration: none;
}

section {
    padding: 2rem;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.product {
    border: 1px solid #ddd;
    padding: 1rem;
    background: white;
}

.product img {
    max-width: 100%;
    height: 200px;
    object-fit: cover;
}

button {
    background-color: #4a4a4a;
    color: white;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

footer {
    background-color: #4a4a4a;
    color: white;
    text-align: center;
    padding: 1rem;
}