body {
  display: flex;
  justify-content: center;
  align-items: center;

  height: 100vh;
  width: 100vw;

  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #f54ea2, #ff7676);
}

.btn {
  position: relative;

  display: flex;
  justify-content: center;
  align-content: inherit;

  padding: 10px;
  border-radius: 3px;

  outline: none;
  border: none;

  background: linear-gradient(135deg, #f54ea2, #ff7676);

  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  transition: all 0.1s ease-out;

  overflow: hidden;
}

.btn:hover {
  color: #eccc68;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}
.btn:active {
  transform: scale(0.98);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}
.btn .ripple {
  position: absolute;

  display: flex;
  justify-content: center;
  align-items: center;

  opacity: 1;
  transform: scale(0);

  transition: all var(--duration) ease-out;
}
.btn .ripple::before {
  content: "";

  position: absolute;

  height: 1rem;
  width: 1rem;

  border-radius: 50%;

  background-color: rgb(255, 255, 255, 0.8);

  pointer-events: none;
}

.btn .ripple.play {
  opacity: 0;
  transform: scale(10);
}