A cool neumorphic loader

neumorphic_loader.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #000;
}
.load {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(45deg, transparent,transparent 40%, #ff0);
  animation: animate 1s linear infinite;
}
@keyframes animate {
  0% {
    transform: rotate(0);
    filter: hue-rotate(0);
  }
  100% {
    tranform: rotate(360deg);
    filter: hue-rotata(90deg);
  }
}
.load:before {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  background: #000;
  border-radius: 50%;
  z-index: 1000;
}
.load:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, transparent 40%, #ff0);
  border-radius: 50%;
  z-index: 1000;
  z-index: 1;
  filter: blur(20px);
}

neumorphic_loader.html

<div class="load" />