body {
    font-family: "Open Sans";
    background-color: #fafafa;
}

nav {
    background-color: #007aff;
}

nav img {
    padding: 10px 0;
}

.product-informations h1 {
    text-align: center;
}

.product-image img {
    width: 400px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
}