ban {
background-color: lightblue;
position: fixed;
top: 5px;
left: 333px;
width: 666px;
height: 150px;
}

body {
background-color: lightpink;
position: fixed;
top: 160px;
left: 340px;
width: 300px;
height: 500px;
}

nav {
background-color: lightyellow;
position: fixed;
top: 150px;
left: 80px;
width: 180px;
}