.bubbly-button {
  font-family: "Helvetica", "Arial", sans-serif;
  display: inline-block;
  font-size: 1em;
  padding: 1em 2em;
  margin-top: 30px;
  margin-bottom: 60px;
  -webkit-appearance: none;
  appearance: none;
  background-color: #53f97e;
  color: #000;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform ease-in 0.1s, box-shadow ease-in 0.25s;
  box-shadow: 0 2px 25px rgb(0 0 0 / 48%);
}
.bubbly-button:focus {
  outline: 0;
}
.bubbly-button:before, .bubbly-button:after {
  position: absolute;
  content: "";
  display: block;
  width: 140%;
  height: 100%;
  left: -20%;
  z-index: -1000;
  transition: all ease-in-out 0.5s;
  background-repeat: no-repeat;
}
.bubbly-button:before {
  display: none;
  top: -75%;
  background-image: radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, transparent 20%, #ff0081 20%, transparent 30%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, transparent 10%, #ff0081 15%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%);
  background-size: 10% 10%, 20% 20%, 15% 15%, 20% 20%, 18% 18%, 10% 10%, 15% 15%, 10% 10%, 18% 18%;
}
.bubbly-button:after {
  display: none;
  bottom: -75%;
  background-image: radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, transparent 10%, #ff0081 15%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%), radial-gradient(circle, #ff0081 20%, transparent 20%);
  background-size: 15% 15%, 20% 20%, 18% 18%, 20% 20%, 15% 15%, 10% 10%, 20% 20%;
}
.bubbly-button:active {
  transform: scale(0.9);
  background-color: #e60074;
  box-shadow: 0 2px 25px rgba(255, 0, 130, 0.2);
}
.bubbly-button.animate:before {
  display: block;
  animation: topBubbles ease-in-out 0.75s forwards;
}
.bubbly-button.animate:after {
  display: block;
  animation: bottomBubbles ease-in-out 0.75s forwards;
}

@keyframes topBubbles {
  0% {
    background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%, 40% 90%, 55% 90%, 70% 90%;
  }
  50% {
    background-position: 0% 80%, 0% 20%, 10% 40%, 20% 0%, 30% 30%, 22% 50%, 50% 50%, 65% 20%, 90% 30%;
  }
  100% {
    background-position: 0% 70%, 0% 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%, 50% 40%, 65% 10%, 90% 20%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}
@keyframes bottomBubbles {
  0% {
    background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%, 70% -10%, 70% 0%;
  }
  50% {
    background-position: 0% 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%, 105% 0%;
  }
  100% {
    background-position: 0% 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%, 110% 10%;
    background-size: 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }
}

.card {
  background: white;
  border-radius: 3px;
  box-shadow: 0 1px 2px #aaa;
  display: inline-block;
  margin: 0 1rem 1rem;
  max-width: 448px;
  padding: 1.5rem;
  position: relative;
  z-index: 2;
}
.card .title {
  font-size: 2rem;
  margin-bottom: 1em;
}
.card.animate {
  -webkit-animation: fly-in 0.3s 0.5s ease both;
  -moz-animation: fly-in 0.3s 0.5s ease both;
  -o-animation: fly-in 0.3s 0.5s ease both;
  animation: fly-in 0.3s 0.5s ease both;
}
@-webkit-keyframes fly-in {
  from {
    -webkit-transform: translateY(15rem) rotate(15deg);
    transform: translateY(15rem) rotate(15deg);
    opacity: 0;
  }
}
@-moz-keyframes fly-in {
  from {
    -moz-transform: translateY(15rem) rotate(15deg);
    transform: translateY(15rem) rotate(15deg);
    opacity: 0;
  }
}
@keyframes fly-in {
  from {
    transform: translateY(15rem) rotate(15deg);
    opacity: 0;
  }
}