.listening {
  display: none;
}

.wave {
  fill:#fff;
  animation-name: pulse;
  animation-duration: 1.2s;
  animation-iteration-count: infinite;
  height: 4px;
  y: 11px;
}

#wave-1, #wave-1-2 {
  animation-delay: 0.2s
}

#wave-2, #wave-2-2 {
  animation-delay: 1s
}

#wave-3, #wave-3-2 {
  animation-delay: 0.6s
}

#wave-5, #wave-5-2 {
  animation-delay: 0.4s;
}

#wave-4, #wave-4-2 {
  animation-delay: 0.8s;
}

@keyframes pulse {
  0%, 100% {
    height: 4px;
    y: 11px;
  }
  50% {
    height: 26px;
    y: 0px;
  }
}