.loader {
  width: 76px;
  height: 76px;
  border: 5px dotted #000;
  border-radius: 50%;
  display: inline-block;
  position: relative;
  box-sizing: 0border-box;
  animation: rotation 2s linear infinite;
  display: block;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: white;
}

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

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