/* From Uiverse.io by kerolos23 */ 
.loader {
  width: 53px;
  height: 53px;
  border: 5px dotted #000;
  border-style: solid solid dotted dotted;
  border-radius: 50%;
  display: inline-block;
  position: relative;
  box-sizing: border-box;
  animation: rotation 2s linear infinite;
}

.loader::after {
  content: '';
  box-sizing: border-box;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  border: 4px dotted#F3711D;
  border-style: solid solid dotted;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  animation: rotationBack 1s linear infinite;
  transform-origin: center center;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

@keyframes rotationBack {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(-360deg);
  }
}