.loader {
  width: 100px;
  height: 100px;
  border: solid 4px rgba(231, 231, 231, 0);
  border-top: solid 5px rgb(241, 68, 68);
  border-radius: 50%;
  transition: all 0.5s;
  animation: rotation_51512 1.2s infinite cubic-bezier(0.785, 0.135, 0.15, 0.86);
}

@keyframes rotation_51512 {
  70% {
    box-shadow: 0px 0px 10px 50px rgba(241, 57, 57, 0.526);
  }

  90% {
    box-shadow: 0px 0px 10px 50px rgba(241, 57, 57, 0.04);
  }

  100% {
    opacity: 0.5;
    transform: rotate(360deg);
  }
}