.reveal .slides > section.past +transform(translate3d(-100%, 0, 0) rotateY(-90deg) translate3d(-100%, 0, 0)) display: block opacity: 0 .reveal .slides > section.future +transform(translate3d(100%, 0, 0) rotateY(90deg) translate3d(100%, 0, 0)) display: block opacity: 0 .reveal .slides > section > section.past +transform(translate3d(0, -300px, 0) rotateX(70deg) translate3d(0, -300px, 0)) display: block opacity: 0 .reveal .slides > section > section.future +transform(translate3d(0, 300px, 0) rotateX(-70deg) translate3d(0, 300px, 0)) display: block opacity: 0