.loader {
  width: 50px;
  aspect-ratio: 1;
  display: grid;
  border-radius: 50%;
  background: conic-gradient(#d3442c 0 25%,#4d7690 25% 50%, #d37f32 50% 75%,#ffd960 75%);
  animation: l22 2s infinite linear;
  margin-bottom: 1rem;
}
.loader::before,
.loader::after {
   content: "";
   grid-area: 1/1;
   margin: 15%;
   border-radius: 50%;
   background: inherit;
   animation: inherit;
}
.loader::after {
   margin: 25%;
   animation-duration: 3s;
}
@keyframes l22 {
  100% {transform: rotate(1turn)}
}