@keyframes pulsar {
    0% {
        transform: scale(0);
        opacity: .5;
    }
    75% {
        opacity: .5;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@-webkit-keyframes pulsar {
    0% {
        -webkit-transform: scale(0);
        opacity: 1;
    }
    75% {
        opacity: 1;
    }
    100% {
        -webkit-transform: scale(1);
        opacity: 0;
    }
}

.pulsar {
    width: 50px;
    height: 50px;
    margin: 0px auto;
    position: absolute;
    /* top: 0;
    right: 0; */

    left: 8px;
    top: 51px;

    padding: 15px;
    z-index: 1;
    cursor: pointer;
}

.pulsar .ring {
    box-sizing: border-box;
    position: absolute;
    top: 50%;
    left: 50%;
    border: 10px solid white;
    box-shadow: inset 0 0 100px 0 white;
    border-radius: 50%;
    width: 100%;
    height: 100%;
    margin-top: -50%;
    margin-left: -50%;
    -webkit-transform: scale(0);
    transform: scale(0);
}

.pulsar .ring:nth-child(1) {
    -webkit-animation: pulsar 2s 0s linear infinite;
    animation: pulsar 2s 0s linear infinite;
}

.pulsar .ring:nth-child(2) {
    -webkit-animation: pulsar 2s .5s linear infinite;
    animation: pulsar 2s .5s linear infinite;
}

.pulsar .ring:nth-child(3) {
    -webkit-animation: pulsar 2s 1s linear infinite;
    animation: pulsar 2s 1s linear infinite;
}

.pulsar .ring:nth-child(4) {
    -webkit-animation: pulsar 2s 1.5s linear infinite;
    animation: pulsar 2s 1.5s linear infinite;
}

@media only screen and (max-width: 768px) {

.pulsar {
  /* width: 50px;
  height: 50px;
  padding: 2px; */
  /* top:20px;
  right: 20px; */
  }
}