加translate3d(0,0,0)应该是要开启硬件加速（hack技巧），消失的生效代码应该就是opacity: 0;那句。
opacity: 0;
Using -webkit-transform: translate3d(0,0,0); will kick the GPU into action for the CSS transitions, making them smoother (higher FPS).大概是说使用硬件加速
加translate3d(0,0,0)应该是要开启硬件加速（hack技巧），消失的生效代码应该就是
opacity: 0;那句。Using -webkit-transform: translate3d(0,0,0); will kick the GPU into action for the CSS transitions, making them smoother (higher FPS).大概是说使用硬件加速