main {
    height: 100vh;
}

nav {
    position: sticky;
    top: 10px;
}
footer {
    text-align: center;
    position: fixed;
    bottom: 10px;
    position-anchor: left;

}
img {
    position: static

}
p {
    position: absolute;
    top: 200px;
    width: 200px;
    left: 50px;
    background-color: white;
}
a {
    position: fixed;
    left: 1800px;
    top: 800px;
}