.leaflet-pulsing-icon {
    border-radius: 100%;
}

.leaflet-pulsing-icon:after {
    content: "";
    border-radius: 100%;
    height: 300%;
    width: 300%;
    position: absolute;
    margin: -100% 0 0 -100%;
    -webkit-animation: pulsate 1.5s ease-out;
    -moz-animation: pulsate 1.5s ease-out;
    -o-animation: pulsate 1.5s ease-out;
    animation: pulsate 1.5s ease-out;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    -o-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    opacity: 0;
}

@-webkit-keyframes pulsate {
    0% {
        -webkit-transform: scale(0.1, 0.1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -webkit-transform: scale(1.2, 1.2);
        opacity: 0;
    }
}

@-moz-keyframes pulsate {
    0% {
        -moz-transform: scale(0.1, 0.1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -moz-transform: scale(1.2, 1.2);
        opacity: 0;
    }
}

@-o-keyframes pulsate {
    0% {
        -o-transform: scale(0.1, 0.1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -o-transform: scale(1.2, 1.2);
        opacity: 0;
    }
}

@keyframes pulsate {
    0% {
        transform: scale(0.1, 0.1);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: scale(1.2, 1.2);
        opacity: 0;
    }
}