body {
    font-family: ubuntu, sans-serif;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}
/*
h1, h2, h3 {
    color: #333;
}

.product {
    margin-bottom: 10px;
}

button {
    margin-left: 10px;
}
*/