CSS3酷炫加載動畫

<style>
  *{
    margin: 0;
    padding: 0;
  }
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 50px;
    background: #000;
  }
  .load {
    position: relative;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(45deg,transparent,transparent,40%,#28e);
    animation:animate 1s linear infinite;
    color: white;
  }
  @keyframes animate {
    0% {
      transform: rotate(0deg);
      filter:hue-rotate(0deg);
    }
    100%{
      transform: rotate(360deg);
      filter:hue-rotate(360deg)
    }
  }
  .load::before {
    content:'';
    position: absolute;
    top: 6px;
    left: 6px;
    bottom: 6px;
    right: 6px;
    background: #000;
    border-radius: 50%;
    z-index: 99;
  }
  .load::after {
    content:'';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(45deg,transparent,transparent,transparent,#28e);
    border-radius: 50%;
    z-index: 1;
    filter:blur(20px);
  }

</style>
<div class="load"></div>