.circle{position:absolute;left:50%;top:50%;transform:translate(-50%) translateY(-50%);width:20px;height:20px}.circle:before{content:"";position:relative;display:block;width:250%;height:250%;box-sizing:border-box;margin-left:-75%;margin-top:-75%;border-radius:45px;background-color:#75daad;animation:pulse 1.25s cubic-bezier(.215,.61,.355,1) infinite}.circle:after{content:"";position:absolute;left:0;top:0;display:block;width:100%;height:100%;background-color:#75daad;border-radius:50px;animation:circle 1.25s cubic-bezier(.455,.03,.515,.955) -.4s infinite}@keyframes pulse{0%{transform:scale(.33)}80%,to{opacity:0}}@keyframes circle{0%{transform:scale(.8)}50%{transform:scale(1)}to{transform:scale(.8)}}