A blip that pulsates created with css3

Blip Animation.css

.tip_shape {
  position: absolute;
  top: 22px;
  left: 7px;
  width: 10px;
  height: 10px;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
  -webkit-box-shadow: 0 0 2px black;
  background: -webkit-gradient(linear, left top, left bottom, from(#a7d049), to(#618714));
}
.tip_glow {
  position: absolute;
  top: 6px;
  left: -8px;
  width: 30px;
  height: 30px;   
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  border-radius: 20px;
  border: 5px solid green;
  opacity: 0;
  -webkit-animation-name: 'blip';
  -webkit-animation-duration: 2s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-timing-function: ease-in-out;
}
@-webkit-keyframes 'blip'
{       
    0% {
        -webkit-transform: scale(.1);   
        opacity: 0;
    }
    1% {
        -webkit-transform: scale(.1);   
        opacity: .6;
    }
    60% {
        opacity: 0;
        -webkit-transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(1);
    }
}