map.css

      #map {
        height: 100%;
        width: 100%;
        position: absolute;
        z-index: 1;
      }
      
      #map_graphics_layer {
        -webkit-animation-duration: 3s;
        -webkit-animation-iteration-count: infinite;
        -webkit-animation-name: pulse;
        -moz-animation-duration: 3s;
        -moz-animation-iteration-count: infinite;
        -moz-animation-name: pulse;
      }