JSFiddle - React, Tailwind, and code Playground

HTML

<div id="state" class="grid_4 alpha">
                <a href="index.html" title="Back home"><img src="images/maine_state.png" alt="maine_state" width="199" height="250" /></a>
                <div class="gps_ring"></div>
            </div>

CSS

.gps_ring {
    border: 3px solid #999;
    -webkit-border-radius: 30px;
    height: 18px;
    width: 18px;
    position: absolute;
    left:20px;
    top:214px;
    -webkit-animation: pulsate 1s ease-out;
    -webkit-animation-iteration-count: infinite; 
    opacity: 0.0
}
@-webkit-keyframes pulsate {
    0% {-webkit-transform: scale(0, 0); opacity: 0.0;}
    50% {opacity: 1.0;}
    100% {-webkit-transform: scale(1.2, 1.2); opacity: 0.0;}
}