nd div {
  transform: rotateX(90deg) rotateY(0deg) translate(-48px, -120px) translateZ(100px) scale(0);
  width: 200px;
  height: 200px;
  background: var(--primary);
  background: linear-gradient(45deg, var(--primary) 0%, var(--primary) 50%, var(--primary-light) 50%, var(--primary-light) 100%);
  transform-style: preserve-3d;
  -webkit-animation: ground var(--duration) linear forwards infinite;
  animation: ground var(--duration) linear forwards infinite;
}

.loader .ground div:before, .loader .ground div: