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

header {
    background-color: #333;
    color: #fff;
    padding: 1em;
    text-align: center;
}

.product-list {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 2em;
}

.product {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1em;
    margin: 1em;
    text-align: center;
    width: 200px;
}

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

button {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 0.5em 1em;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

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