/* HTML: <div class="loader"></div> */
#l38 {
  position: relative;
    width: 35px;
    top: 20px;
    aspect-ratio: 1;
    --_g: no-repeat radial-gradient(farthest-side,coral 94%,#0000);
    background:
      var(--_g) 0    0,
      var(--_g) 100% 0,
      var(--_g) 100% 100%,
      var(--_g) 0    100%;
    background-size: 35% 35%;
    animation: l38 .5s infinite; 
  }
  @keyframes l38 {
    100% {background-position: 100% 0,100% 100%,0 100%,0 0}
  }