Create a pulse effect - HTML CSS CSS Property

HTML CSS examples for CSS Property:transform

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Description

Create a pulse effect

Demo Code

ResultView the demo in separate window 

<html>
 <head> 
  <meta name="viewport" content="width=device-width, initial-scale=1"> 
  <style id="compiled-css" type="text/css">

html {<!--from  w w  w.jav a2  s .  c om-->
   background:#930b3e;
}
#state {
   margin:auto;
   width:100px;
   display:block;
   height:100px;
   position:relative;
}
.gps_ring {
   border: 2px solid #fff;
   -webkit-border-radius: 50%;
   height: 18px;
   width: 18px;
   position: absolute;
   left:20px;
   top:214px;
   -webkit-animation: pulsate 1s ease-out;
   -webkit-animation-iteration-count: infinite;
   opacity: 0.0;
}
.gps_ring:before {
   content:"";
   display:block;
   border: 2px solid #fff;
   -webkit-border-radius: 50%;
   height: 30px;
   width: 30px;
   position: absolute;
   left:-8px;
   top:-8px;
   -webkit-animation: pulsate 1s ease-out;
   -webkit-animation-iteration-count: infinite;
   -webkit-animation-delay: 0.1s;
   opacity: 0.0;
}
.gps_ring:after {
   content:"";
   display:block;
   border:2px solid #fff;
   -webkit-border-radius: 50%;
   height: 50px;
   width: 50px;
   position: absolute;
   left:-18px;
   top:-18px;
   -webkit-animation: pulsate 1s ease-out;
   -webkit-animation-iteration-count: infinite;
   -webkit-animation-delay: 0.2s;
   opacity: 0.0;
}
@-webkit-keyframes pulsate {
   0% {-webkit-transform: scale(0.1, 0.1); opacity: 0.0;}
   50% {opacity: 1.0;}
   100% {-webkit-transform: scale(1.2, 1.2); opacity: 0.0;}
}


      </style> 
 </head> 
 <body> 
  <div id="state" class="grid_4 alpha"> 
   <div class="gps_ring"></div> 
  </div>  
 </body>
</html>

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