.sidenav {
    width: 100%; /* Cover full width on mobile devices */
    z-index: 2; /* Ensure it's above #main content */
    }
#main {
    margin-left: 0; /* Ensure no margin is pushing it to the side */
    overflow: scroll;
}
.sidenav a {
    padding: 8px 8px 8px 32px;
    margin-left: -10%;
}
.image-container img{
    width: 800px;
}