<div class="loader"></div>
<style>
/* From Uiverse.io by Shoh2008 - Tags: loader */
.loader {
  position: relative;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: #fff;
  border: 8px solid #131a1d;
  overflow: hidden;
  box-sizing: border-box;
}

.loader::after {
  content: '';
  position: absolute;
  left: 0;
  top: -50%;
  width: 100%;
  height: 100%;
  background: #263238;
  z-index: 5;
  border-bottom: 8px solid #131a1d;
  box-sizing: border-box;
  animation: eyeShade 3s infinite;
}
