.scroll-arrow-a{transition:all .2s ease}.scroll-arrow-a .scroll-arrow{width:80px;height:80px;position:fixed;z-index:9;bottom:50px;right:30px;transition:all 1s}.scroll-arrow-a .hidden{transform:translateY(150%);opacity:0;visibility:hidden}.scroll-arrow-a .show{transform:translateY(0);opacity:1;visibility:visible}