.slider{overflow:hidden;white-space:nowrap;height:100%;position:relative;width:100%}.slider_img{width:100%;height:100%;position:relative}.slider>.slider_img>img{display:inline-block;vertical-align:top;width:auto;max-height:100%;max-width:100%;position:relative;top:50%;transform:translateY(-50%)}.prev,.next{top:0;bottom:0;height:100%;position:fixed;z-index:10}.prev{left:0;cursor:w-resize}.next{cursor:e-resize}