.slider-menu{overflow:hidden}
.slider-menu nav{left:0;position:relative;top:0;-webkit-transition:left .2s;transition:left .2s}
.slider-menu ul{list-style:none;margin:0;padding:0}
.slider-menu ul ul{left:100%;opacity:0;position:absolute;top:0;-webkit-transition:opacity .2s;transition:opacity .2s;visibility:hidden;width:100%}
.slider-menu ul.slider-menu-active{opacity:1;visibility:visible}
.slider-menu [data-vertical=true] .slider-menu-back{display:none}
.slider-menu [data-vertical=true] ul{display:none;left:auto;opacity:1;position:relative;top:auto;visibility:visible}
.slider-menu [data-vertical=true] ul.slider-menu-active{display:block}