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

header {
    background-color: #333;
    color: white;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: space-around;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 5px 20px;
}

section {
    padding: 20px;
    background-color: white;
    margin: 20px;
    border-radius: 10px;
}

.product-list li {
    margin: 10px 0;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}

.menu-toggle {
    background-color: #4CAF50;  /* A nice material green color */
    /* or you could use: */
    /* background-color: #228B22;  Forest green */
    /* background-color: #008000;  Standard green */
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
}