:root {
  --color: white;
}

* {
  box-sizing: border-box;
}

body {
  display: grid;
  place-content: center;
  min-height: 100vh;
  margin: 0;
  background-color: #2c3e50;
}

.kinetic {
  position: relative;
  width: 64px;
  height: 64px;
  &::after,
  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border: 32px solid transparent;
    animation: rotate 2s linear infinite;
  }
  &::after {
    border-bottom-color: var(--color);
    animation-delay: 0.5s;
  }
  &::before {
    border-left-color: var(--color);
  }
}

@keyframes rotate {
  0%,
  25% {
    transform: rotate(0);
  }
  50%,
  75% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}