@keyframes ping-twice{0%,75%,to{transform:scale(1);opacity:1}50%{transform:scale(2);opacity:0}}.ping-twice{animation:ping-twice 2s cubic-bezier(0,0,.2,1) infinite;animation-iteration-count:2;position:absolute}.ping-circle-1,.ping-circle-2,.ping-circle-3{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-radius:50%}.ping-circle-1{height:4rem;width:4rem;background-color:#e5e7eb;z-index:1}.ping-circle-2{height:3rem;width:3rem;background-color:#d4d4d8;z-index:2}.ping-circle-3{height:2.5rem;width:2.5rem;background-color:#c4c4c4;z-index:3}