#mapDiv_graphics_layer circle {
            /*width: 40px;
            height: 40px;
            margin: 100px auto;*/
            background-color: #333;

            border-radius: 100%;
            -webkit-animation: sk-scaleout 1.0s infinite  linear/*ease-in-out*/;
            animation: sk-scaleout 1.0s infinite  linear/*ease-in-out*/;
        }

        @-webkit-keyframes sk-scaleout {
            0% {
                -webkit-transform: scale(1.0);
                -webkit-transform-origin: 50% 50%;
            }
            100% {
                -webkit-transform: scale(2.0);
                -webkit-transform-origin: 50% 50%;
                opacity: 0;
            }
        }

        @keyframes sk-scannleout {
            0% {
                transform: scale(1.0);
                transform-origin: 50% 50%;
            }
            100% {
                transform: scale(2.0);
                transform-origin: 50% 50%;                
                opacity: 0;
            }
        }