body {
                background: Lavender;
            }
            div.flex{
                display:flex; width:80%;
                background: #7BB696;
                margin: auto;
            }
            div.flex figure { 
                margin:auto;
                text-align: center; 
                background-color:silver;
                border: 1px solid black;
            }
            div.flex figure img{
                width:70%;
            }
figure.scan {
    margin:auto;
    width:70%;
}

iframe {
    margin:auto;
    padding-left: 5vw;
    padding-right: 5vw;
    background: #967BB6;
}

nav {
    width:100%;
    background: #DCC7B6;
}

nav ul{display:flex;
justify-content: space-around;
width:80%;
list-style-type:none;
}

nav ul li{
    padding:1vw
}

nav ul li:hover {background: #CBDCB6;
}