nav {
    position: sticky;
    top: 0;
    background-color: white;
    color: gold;
}
img {
    position: static;
    border: 5px solid black;
}
.absolute {
    position: absolute;
    top: 250px;
    left: 20px;
    color: green;
}
.fixed {
    position: relative;
    left: -10px;
    background-color: white;
}
.top {
    position: fixed;
    bottom: 0px;
    right: 0px;
}