.cus-music {
  padding-left: 0.75rem;
  height: 100%;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto;
}
.cus-music i {
  width: .12rem;
  height: .3125rem;
  background-color: #dddddd;
  margin: 0 .1rem;
}
.cus-music i:nth-of-type(1) {
  height: 0.6rem;
}
.cus-music i:nth-of-type(2) {
  height: 1.3rem;
}
.cus-music i:nth-of-type(3) {

  height: 1rem;
}
.cus-music i:nth-of-type(4) {

  height: .6rem;
}
.cus-music i:nth-of-type(5) {
  height: 1.3rem;
}
.cus-music i:nth-of-type(6) {
  left: 2.5rem;
  height: 1rem;
}
.cus-music i:nth-of-type(7) {
  left: 1.5rem;
  height: .6rem;
}
.cus-music i:nth-of-type(8) {
  height: 1.3rem;
}
.cus-music i:nth-of-type(9) {
  height: 1rem;
}
.cus-music.active i:nth-of-type(1) {
  -webkit-animation: wave1 1.5s linear 0.1s infinite;
  animation: wave1 1.5s linear 0.1s infinite;
}
.cus-music.active i:nth-of-type(2) {
  -webkit-animation: wave2 1s linear 0.15s infinite;
  animation: wave2 1s linear 0.15s infinite;
}
.cus-music.active i:nth-of-type(3) {
  -webkit-animation: wave3 1.8s linear 0.2s infinite;
  animation: wave3 1.8s linear 0.2s infinite;
}
.cus-music.active i:nth-of-type(4) {
  -webkit-animation: wave1 1.5s linear 0.25s infinite;
  animation: wave1 1.4s linear 0.25s infinite;
}
.cus-music.active i:nth-of-type(5) {
  -webkit-animation: wave2 1s linear 0.3s infinite;
  animation: wave2 1s linear 0.3s infinite;
}
.cus-music.active i:nth-of-type(6) {
  -webkit-animation: wave3 1.8s linear 0.35s infinite;
  animation: wave3 1.8s linear  0.35s infinite;
}
.cus-music.active i:nth-of-type(7) {
  -webkit-animation: wave1 1.5s linear 0.4s infinite;
  animation: wave1 1.5s linear 0.4s infinite;
}
.cus-music.active i:nth-of-type(8) {
  -webkit-animation: wave2 1s linear 0.45s infinite;
  animation: wave2 1s linear  0.45s infinite;
}
.cus-music.active i:nth-of-type(9) {
  -webkit-animation: wave3 1.8s linear 0.6s infinite;
  animation: wave3 1.8s linear 0.6s infinite;
}

@keyframes wave1 {
  0% {
    height: 0.6rem;
  }
  50% {
    height: 1.5rem;
  }
  100% {
    height: 0.6rem;
  }
}
@keyframes wave2 {
  0% {
    height: 1.3rem;
  }
  25% {
    height: 1.5rem;
  }
  50% {
    height: 0.6rem;
  }
  100% {
    height: 1.3rem;
  }
}

@keyframes wave3 {
  0% {
    height: 1rem;
  }
  25% {
    height: 1.5rem;
  }
  50% {
    height: 0.6rem;
  }
  100% {
    height: 1rem;
  }
}

