.cb-slideshow,
.cb-slideshow:after {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
    z-index: 0;
}
.cb-slideshow.slider-page,
.cb-slideshow.slider-page:after {
    position: absolute;
}
.cb-slideshow li span {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
    color: transparent;
    background-size: cover;
    background-position: top center;
    background-repeat: none;
    opacity: 0;
    z-index: 0;
	-webkit-backface-visibility: hidden;    
}

/* Show at least something when animations not supported */
.no-cssanimations .cb-slideshow li span{
	opacity: 1;
}