<div class="box">
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  <span style="--i:8;"><i></i></span>
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</div>

*
{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body 
{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #222;
}
.box 
{
  position: relative;
  width: 500px;
  height: 500px;
  display: flex;
  justify-content: center;
}
.box span 
{
  position: absolute;
  width: 10px;
  height: 250px;
  border-bottom: 40px solid transparent;
  transform-origin: bottom;
  transform: rotate(calc(22.5deg * var(--i))) translateX(0px);
}
.box span::before 
{
  content: '';
  position: absolute;
  width: 100%;
  height: 50px;
  background: #03a9f4;
  box-shadow: 0 0 20px #03a9f4;
  border-radius: 10px;
  transform: translateY(160px);
  animation: animate 1.5s linear infinite;
  animation-delay: calc(0.1s * var(--i));
}
@keyframes animate 
{
  0% 
  {
    transform: translateY(160px) rotate(0deg);
    filter: hue-rotate(0deg);
  }
  50%
  {
    transform: translateY(0px);
  }
  100%
  {
    transform: translateY(160px) rotate(360deg);
    filter: hue-rotate(360deg);
  }
}
.box span::after 
{
  content: '';
  position: absolute;
  bottom: 0;
  width: 10px;
  height: 17px;
  background: #03a9f4;
  transform-origin: bottom;
  transform: rotate(102deg);
  animation: animateColor 1.5s linear infinite;
}
.box span i 
{
  position: absolute;
  width: 15px;
  height: 100px;
  transform-origin: top;
  transform: rotate(79deg);
  animation: animateSide 1.5s linear infinite,animateColor 1.5s linear infinite;
  animation-delay: calc(0.1s * var(--i));
  border-left: 2px solid #03a9f4;
  border-right: 2px solid #03a9f4;
  display: flex;
  justify-content: center;
  align-items: center;
}
@keyframes animateSide 
{
  0%,25%,50.1%,100%
  {
    background: transparent;
  }
  25.1%,50%
  {
    background: #03a9f4;
  }
}
@keyframes animateSide 
{
  0%,40%,65.1%,100%
  {
    background: #333;
  }
  40.1%,65%
  {
    background: #03a9f4;
  }
}
@keyframes animateColor
{
  0%
  {
    filter: hue-rotate(0deg);
  }
  100%
  {
    filter: hue-rotate(360deg);
  }
}