@charset "utf-8";
/* CSS Document */
.btn_pulse {
    position: relative;
    padding: 2px 4px;
    color: #fff !important;
    border-color: #bbb;
    background-color: #44b36d;
    outline: none;
    border: none;
    height: 54px;
    padding: 0 30px;
    line-height: 54px;
    -webkit-box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);
    box-shadow: 0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);
    color: #fff;
    background-color: #a0cd35;
    text-align: center;
    letter-spacing: .5px;
    transition: .2s ease-in-out;
    border-radius: 2px;
    text-transform: uppercase;
    font-size: 15px;
    font-weight: 500;
    display: inline-block;
    cursor: pointer;
}
.pulse-button {
  
}
.pulse-button::after {
  content: '';
  position: absolute;
  top: 0px;
  right: 0px;
  bottom: 0px;
  left: 0px;
  background: rgba(135, 280, 170, 0.5);
  border-radius: 2px;
  transition: all 0.2s ease-in-out;
  z-index: -1;
  animation: pulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
}
.btn_pulse:hover:after {
  transform: scale(2);
}

@keyframes pulse {
  0% {
    transform: scaleY(1.3) scaleX(1.2) rotate(-7deg);
  }
  50% {
    transform: scaleY(1) scaleX(1) rotate(7deg);
  }
  100% {
    transform: scaleY(1.3) scaleX(1.2) rotate(-7deg);
  }
}

.btn_pulse-container {
  margin: 100px auto;
  text-align: center;
}

/*<div class="btn-container">
  <button class="pulse-button btn">Pulse button</button>
</div>*/