.announcementBar{position:relative;overflow:hidden;z-index:10}.announcementBar:before{content:"";position:absolute;top:50%;left:50%;width:120%;height:300%;background:radial-gradient(circle,rgba(255,255,255,.2) 10%,transparent 70%);border-radius:50%;transform:translate(-50%,-50%) scale(0);opacity:0;pointer-events:none;transition:transform .3s ease-out,opacity .3s ease-out}.announcementBar:hover:before{animation:ping .8s ease-in-out forwards}@keyframes ping{0%{transform:translate(-50%,-50%) scale(.4);opacity:.8}80%{transform:translate(-50%,-50%) scale(1.2);opacity:.1}to{transform:translate(-50%,-50%) scale(2);opacity:0}}