/* HTML: <div class="loader"></div> */
.loader {
  width: 150px;
  aspect-ratio: 1;
  border: 45px solid #ddd;
  border-radius: 50%;
  position: relative;
  transform: rotate(45deg);
}
.loader::before {
  content: "";
  position: absolute;
  inset: -25px;
  border-radius: 50%;
  border: 25px solid #009cde;
  animation: l18 2s infinite linear;
}
@keyframes l18 {
  0% {
    clip-path: polygon(50% 50%, 0 0, 0 0, 0 0, 0 0, 0 0);
  }
  25% {
    clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 0, 100% 0, 100% 0);
  }
  50% {
    clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 100% 100%, 100% 100%);
  }
  75% {
    clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 0 100%, 0 100%);
  }
  100% {
    clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 0 100%, 0 0);
  }
}