애니메이션

dot 스핀

@keyframes dotAnimation {
  50% {
    transform: rotate(0.5turn);
  }
  100% {
    transform: rotate(0.5turn);
  }
}

   <div class="dots box">
      <div class="dot"></div>
      <div class="dot"></div>
      <div class="dot"></div>
    </div>

건반물결

@keyframes lineAnim {
  0% {
    transform: none;
  }
  25% {
    transform: scaleY(2);
  }
  50%,
  100% {
    transform: none;
  }
}

.line {
  width: 20px;
  height: 80px;
  background-color: white;
  animation: lineAnim 1s ease-in-out infinite;
}

.line:nth-child(2) {
  animation-delay: 0.1s;
}
.line:nth-child(3) {
  animation-delay: 0.2s;
}
.line:nth-child(4) {
  animation-delay: 0.3s;
}
.line:nth-child(5) {
  animation-delay: 0.4s;
}