#board_wrapper{
    position: relative;
}

#primary_canvas, #drawing_canvas, #board{
    position: absolute; 
    top: 0px; 
    left: 0px;
}

#board {
    z-index: -1;
}

#primary_canvas, #drawing_canvas {
    opacity: 0.8;
    padding: 2px;
}

.piece-417db {
    z-index:50;
}