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  - 45.times
a href=""   


                $base : 220px
$num : 45
$color : #F06

html, body
  height: 100%
  background: black
  display: flex
  align-items: center
  justify-content: center
  flex-direction: column
  animation: spin 7s linear infinite
  transform-style: preserve-3d
.b, .c
  height: $base
  width: $base
  border: 1px solid $color
  border-radius: 99em 
  position: absolute
  @for $i from 1 through $num
      border-color: $color
      animation: spin #{$num * .16}s linear #{$i * 0.04}s infinite
      opacity: $i * .006
    $color : adjust-hue($color, 7deg)
@keyframes spin
    transform: rotateY(360deg) rotateX(-360deg) rotateZ(360deg)
  color: mix(white, black, 20%)
  text-decoration: none
  font-size: .9em
  margin: 5em 0 -5em
    color: mix(white, black, 25%)