.opal-wrapper{overflow:hidden}.opal-wrapper .mp-menu{position:fixed;top:0;left:0;z-index:1;width:300px;height:100%;-webkit-transform:translate3d(-200px, 0, 0);-moz-transform:translate3d(-200px, 0, 0);transform:translate3d(-200px, 0, 0);display:block;transition:all ease 0.35s;opacity:0}.opal-wrapper .mp-menu.mp-menu-active{z-index:3;transform:translate3d(0, 0, 0);opacity:1}.opal-wrapper .mp-menu.mp-menu-active+#page{transform:translateX(300px)}.opal-wrapper .mp-menu.mp-menu-active+#page:before{content:'';top:0;left:0;right:0;bottom:0;position:absolute;z-index:100;background:rgba(0, 0, 0, 0.4)}.mp-level{overflow:scroll}