.pusle-wr {
  position: fixed;
  bottom: 35px;
  right: 15px;
  width: 160px;
  height: 160px;
  margin: 0 auto 0;
  z-index: 10;
  -webkit-perspective: 1000;
  -webkit-backface-visibility: hidden;
  background: transparent;
}

.pulse-button {
  position: relative;
  top: 50%;
  left: 50%;
  margin-left: -55px;
  margin-top: -55px;
  background-color: #38828a;
  background-image: url(../imgs/call.svg);
  background-repeat: no-repeat; 
  background-position: center center;
  background-size: 40px 40px;
  display: block;
  width: 90px;
  height: 90px;
  text-transform: uppercase;
  text-align: center;
  line-height: 110px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 0px rgba(56,130,138,0.5);
  -webkit-animation: zoom 1.5s infinite;
}
.pulse-button:hover {
  -webkit-animation: none;
}
@-webkit-keyframes zoom {
  0% {
    transform: scale(0.9);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 50px rgba(255, 0, 0, 0);
  }
    100% {
    transform: scale(0.9);
    box-shadow: 0 0 0 0px rgba(255, 0, 0, 0);
  }
}

@media (max-width: 767px){
  .pusle-wr {
    width: 100px;
    height: 100px;
  }
  .pulse-button {
    width: 70px;
    height: 70px;
    margin-left: -35px;
    margin-top: -35px;
  }
  @-webkit-keyframes zoom {
    0% {
      transform: scale(0.9);
    }
    70% {
      transform: scale(1);
      box-shadow: 0 0 0 30px rgba(255, 0, 0, 0);
    }
      100% {
      transform: scale(0.9);
      box-shadow: 0 0 0 0px rgba(255, 0, 0, 0);
    }
  }
}