#scene-level-img {
    height: 100vh;
    width: 100vh;
   position: fixed;
   left: calc(50vw - 100vh/2 - 45px + 45px);
   z-index: -1;

   user-drag: none;  
   user-select: none;
   -moz-user-select: none;
   -webkit-user-drag: none;
   -webkit-user-select: none;
   -ms-user-select: none;
}

canvas {
    overflow-x: hidden;
}