body {
    font-family: sans-serif;
    margin: 0;
}

header {
    background-color: #333;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

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

main {
    padding: 1rem;
}

#products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.product {
    border: 1px solid #ccc;
    padding: 1rem;
    text-align: center;
}

.product img {
    max-width: 100%;
    height: auto;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    bottom: 0;
    width: 100%;
}