.whatsapp-info,
.pulsar {
  font-family: "Lato", sans-serif;
  display: inline-block;
  color: #fff;
  background: #1ab744;
  position: fixed;
  bottom: 50px;
  right: 50px;
  font-size: 45px;
  text-align: center;
  z-index: 99;
  border-radius: 90%;
  height: 70px;
  width: 70px;
  line-height: 70px;
  cursor: pointer;
  -webkit-transition: all 0.2s;
  -moz-transition: all 0.2s;
  transition: all 0.2s;
}

@-webkit-keyframes pulsar {
  0% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0;
  }
  50% {
    opacity: 0.3;
  }
  100% {
    -webkit-transform: scale(2);
    transform: scale(2);
    opacity: 0;
  }
}

@keyframes pulsar {
  0% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0;
  }
  50% {
    opacity: 0.3;
  }
  100% {
    -webkit-transform: scale(2);
    transform: scale(2);
    opacity: 0;
  }
}

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

.pulsar:nth-child(2) {
  -webkit-animation: pulsar 2s infinite 0.3s;
  animation: pulsar 2s infinite 0.3s;
}

.pulsar:nth-child(3) {
  -webkit-animation: pulsar 2s infinite 0.6s;
  animation: pulsar 2s infinite 0.6s;
}

.fa {
  font: normal normal normal 14px/1 FontAwesome;
  font-size: 14px;
  font-size: inherit;
  text-rendering: auto;
  -moz-osx-font-smoothing: grayscale;
}

.fa-whatsapp::before {
  content: "\f234";
}