loading2

<div class="wrap">
  <div class="loading">
    <span style="--i:1"></span>
    <span style="--i:2"></span>
    <span style="--i:3"></span>
    <span style="--i:4"></span>
    <span style="--i:5"></span>
    <span style="--i:6"></span>
    <span style="--i:7"></span>
    <span style="--i:8"></span>
    <span style="--i:9"></span>
    <span style="--i:10"></span>
    <span style="--i:11"></span>
    <span style="--i:12"></span>
    <span style="--i:13"></span>
    <span style="--i:14"></span>
    <span style="--i:15"></span>
  </div>
</div>

body {
  margin: 0;
}

.wrap {
  display:flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #e3e3e3;
  animation: animateBg 10s linear infinite;
}

@keyframes animateBg{
  0%{
    filter: hue-rotate(0deg);
  }
  100%{
    filter: hue-rotate(360deg);
  }
}

.loading {
  position: relative;
  width: 70px;
  height: 70px;
}

.loading span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: rotate(calc(24deg * var(--i)))
}

.loading span::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  background:#292929;
  border-radius: 50%;
  box-shadow: 0 0 5px #292929,
              0 0 10px gray,
              0 0 20px darkgray;
  animation: animate 1.5s linear infinite;
  animation-delay: calc(0.1s * var(--i));
  transform:scale(0);
}

@keyframes animate {
  0% {
    transform: scale(1);
  }
  80%,100% {
    transform: scale(0);
  }
}