.pulse{display:block;border-radius:50%;cursor:pointer;box-shadow:0 0 0 rgba(20,40,16,0.4);animation:pulse 2s infinite;}.pulse:hover{animation:none;}@-webkit-keyframes pulse{0%{-webkit-box-shadow:0 0 0 0 rgba(20,40,16,0.4);}70%{-webkit-box-shadow:0 0 0 10px rgba(20,40,16,0);}100%{-webkit-box-shadow:0 0 0 0 rgba(20,40,16,0);}}@keyframes pulse{0%{-moz-box-shadow:0 0 0 0 rgba(20,40,16,0.4);box-shadow:0 0 0 0 rgba(20,40,16,0.4);}70%{-moz-box-shadow:0 0 0 10px rgba(20,40,16,0);box-shadow:0 0 0 10px rgba(20,40,16,0);}100%{-moz-box-shadow:0 0 0 0 rgba(20,40,16,0);box-shadow:0 0 0 0 rgba(20,40,16,0);}}