* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans', sans-serif;
    padding: 10px;
}

#container {
    border: 1px solid black;
}

header {
    text-align: center;
    margin-bottom: 10px;
}

.product {
    max-width: 200px;
}

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

nav,
#container {
    float: left;
}

nav {
    width: 20%;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

a {
    color: green;
    transition: color 150ms ease-in-out;
}

#container {
    width: 80%;
    transition: width 200ms ease-in-out;
}

/* Mobile CSS only */
@media only screen and (max-width: 768px) {
    nav {
        margin-bottom: 10px;
    }

    ul {
        text-align: center;
    }

    ul li {
        display: inline-block;
    }

    nav,
    #container {
        float: none;
    }

    nav,
    #container {
        width: 100%;
    }
}

@media (hover: hover) {
    #container:hover {
        width: 50%;
        transition: width 200ms ease-in-out;
    }
    a:hover {
        color: #5d86ec;
        transition: color 150ms ease-in-out;
    }
}