.marker{width:10px;height:10px;background-color:blue;border-radius:50%;position:relative;animation:pulse 2s infinite;border:1px solid #f8f8ff}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,0,255,.7)}70%{box-shadow:0 0 0 10px rgba(0,0,255,0)}to{box-shadow:0 0 0 0 rgba(0,0,255,0)}}