.button-shopping-assistant {
    bottom: 0;
    position: fixed;
    right: 5em;
}
.button-shopping-assistant {
    bottom: 0;
    position: fixed;
    right: 5em;
    z-index: 100;
}
Increase z-index to show the button over the top of the slideshow on the rwd theme.
Increase z-index to show the button over the top of the slideshow on the rwd theme.
