body {
    font-family: Arial, sans-serif;
}

header {
    background-color: #f1f1f1;
    color: black;
    text-align: center;
    padding: 1em;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

main {
    margin-top: 150px;
}

.product {
    background-color: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: inline-block;
    margin: 1em;
    padding: 1em;
    width: 30%;
    box-sizing: border-box;
    vertical-align: top;
    border: solid#f1f1f1
}

.product img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 1em;
}

.product h2, .product p {
    margin: 0 0 1em;
}

.footer {
    background-color: #f1f1f1;
    color: black;
    text-align: center;
    padding: 1em;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}