.button_container {
  width: 176px;
  margin: 0 auto;
  margin-top: 30px;
  padding-top: 40px;
}

.button_su {
  overflow: hidden;
  position: relative;
  display: inline-block;
  border-radius: 3px;
  margin-bottom: 30px;
}

.su_button_circle {
  background-color: #fff;
  border-radius: 1000px;
  position: absolute;
  left: 0;
  top: 0;
  width: 0px;
  height: 0px;
  margin-left: 0px;
  margin-top: 0px;
  pointer-events: none;
}

.button_su_inner {
  display: inline-block;
  background: #fff;
  color: black;
  font-size: 16px;
  font-weight: normal;
  width: 132px;
  text-align: center;
  border-radius: 3px;
  transition: 400ms;
  text-decoration: none;
  padding: 22px;
  z-index: 100000;
}

.button_text_container {
  position: relative;
  z-index: 2;
}

.explode-circle {
  animation: explode 0.5s forwards;
}

.desplode-circle {
  animation: desplode 0.5s forwards;
}

@keyframes explode {
  0% {
    width: 0px;
    height: 0px;
    margin-left: 0px;
    margin-top: 0px;
    background-color: red;
  }
  100% {
    width: 400px;
    height: 400px;
    margin-left: -200px;
    margin-top: -200px;
    background-color: red;
  }
}

@keyframes desplode {
  0% {
    width: 400px;
    height: 400px;
    margin-left: -200px;
    margin-top: -200px;
    background-color: red;
  }
  100% {
    width: 0px;
    height: 0px;
    margin-left: 0px;
    margin-top: 0px;
    background-color: red;
  }
}