body {
  display: flex;
  min-height: 100vh;
  background: rgb(0, 0, 0);
  justify-content: center;
  align-items: center;
}

.wave-container {
  width: 220px;
  height: 220px;
}

.loading-wave {
  width: 100%;
  height: 100%;
  /* width: 220px;
  height: 220px; */
  position: relative;
  transform-style: preserve-3d;
  transform: perspective(500px) rotateX(60deg);
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-wave span {
  position: absolute;
  display: block;
  border: 2px solid orange;
  box-sizing: border-box;
  border-radius: 50%;
  transform: translateZ(-100px);
  animation: wave 3s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% {
    transform: translateZ(-100px);
  }
  50% {
    transform: translateZ(100px);
  }
}