react18-tools/turborepo-template

/* HTML: <div class="loader"></div> */
.loader {
  width: 45px;
  aspect-ratio: 1;
  --c: #000;
  --b: no-repeat linear-gradient(var(--c) 0 0);
  background:
    var(--b) 0% 50%,
    var(--b) 50% 50%,
    var(--b) 100% 50%;
  background-size: 20% 100%;
  animation: l1 1s infinite linear;
}
@keyframes l1 {
  0% {
    background-size:
      20% 100%,
      20% 100%,
      20% 100%;
  }
  33% {
    background-size:
      20% 10%,
      20% 100%,
      20% 100%;
  }
  50% {
    background-size:
      20% 100%,
      20% 10%,
      20% 100%;
  }
  66% {
    background-size:
      20% 100%,
      20% 100%,
      20% 10%;
  }
  100% {
    background-size:
      20% 100%,
      20% 100%,
      20% 100%;
  }
}