html{overflow-y:scroll}.header-scroll{position:fixed;top:0;left:0;right:0;width:auto;box-sizing:border-box;z-index:9999;transform:translate3d(0,-110%,0);opacity:0;visibility:hidden;transition:transform .35s ease,opacity .2s ease,visibility 0s linear .35s;will-change:transform}.header-scroll.is-visible{transform:translate3d(0,0,0);opacity:1;visibility:visible;transition:transform .35s ease,opacity .2s ease}