.pulse-ring{content:'';width:140px;height:55px;border:20px solid #1b8bf9;position:absolute;top:18px;left:18px;background-color:#1b8bf9;-webkit-animation:pulsate infinite 1.5s;animation:pulsate infinite 1.5s}@-webkit-keyframes pulsate{0%{-moz-transform:scale(0);opacity:0}25%{-moz-transform:scale(0);opacity:.1}50%{-moz-transform:scale(.1);opacity:.3}75%{-moz-transform:scale(.5);opacity:.5}100%{-moz-transform:scale(1);opacity:0}}