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              <Saturn>
  <Ring top></Ring>
  <Ring bottom></Ring>
  <Ring top></Ring>
  <Ring bottom></Ring>
  <Ring top></Ring>
  <Ring bottom></Ring>
  <PlanetBody top></PlanetBody>
  <PlanetBody bottom></PlanetBody>
</Saturn>
            
          
!
            
              $size: 240px;
$stars: 60;
$rings: (
  (
    size: 2.5,
    border: 5px,
    color: #685B50
  ), (
    size: 2.45,
    border: 30px,
    color: #7D6B5F
  ), (
    size: 2.1,
    border: 70px,
    color: #8F7C6D
  )
);

@mixin clip ($type, $amount: 1) {
  @if $type == "top" {
    clip: rect(
      0,
      $size * $amount,
      $size / 2 * ($amount + .25),
      0
    );
  }
  @if $type == "bottom" {
    clip: rect(
      $size / 2 * ($amount - .25),
      $size * $amount,
      $size * $amount,
      0
    );
  }
}

@keyframes wink {
  0% {
    opacity: 1;
    box-shadow: 0 0 3px rgba(#fff, .5);
  }
  46% {
    opacity: .5;
    box-shadow: none;
  }
  49% {
    opacity: 1;
    box-shadow: 0 0 5px rgba(#fff, .5);
  }
  52% {
    opacity: .6;
    box-shadow: 0 0 3px rgba(#fff, .5);
  }
  55% {
    opacity: 1;
    box-shadow: none;
  }
  100% {
    opacity: 1;
    box-shadow: 0 0 3px rgba(#fff, .5);
  }
}

html, body {
  width: 100%;
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #2a2f38;
  transition: all 1s;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  transform: rotate(45deg);
  transition: all 1s;
  animation: wink 5s infinite;
  
  @for $i from 1 through $stars {
    $bg: rgba(#fff, .3 + $i / $stars);
    &:nth-of-type(#{$i}) {
      background: $bg;
      animation-delay: #{$i / 3}s;
    }
  }
}

Saturn {
  width: $size;
  height: $size;
  position: relative;
  z-index: 1;
  transition: all 1s;
  
  PlanetBody, Ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border-radius: 100%;
    box-sizing: border-box;
  }
  
  PlanetBody {
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    background: #F7C882;
    
    &[top] {
      @include clip("top");
      background:
        linear-gradient(
          to bottom,
          #6A6357 5%,
          #99886A 6%,
          #99886A 10%,
          #CDB487 11%,
          #CDB487 13%,
          #C9A970 14%,
          #C9A970 27%,
          #C6A062 30%,
          #C6A062 35%,
          #EDC37B 38%,
          #EDC37B 50%
        )
    }
    
    &[bottom] {
      @include clip("bottom");
      background:
        linear-gradient(
          to top,
          #99886A 10%,
          #C9A970 14%,
          #C9A970 27%,
          #C6A062 30%,
          #C6A062 35%,
          #EDC37B 38%,
          #EDC37B 50%
        )
    }
  }
  
  Ring {
    transition: all 1s;
    transform:
      translate(-50%, -50%)
      rotateX(75deg);
    
    &[bottom] {
      z-index: 1;
    }
    
    $l: length($rings);
    @for $i from 1 through $l {
      $j:      $i * 2 - 1;
      $ring:   nth($rings, $i);
      $mass:   map-get($ring, size);
      $border: map-get($ring, border);
      $color:  map-get($ring, color);
      
      &[top]:nth-of-type(#{$j}),
      &[bottom]:nth-of-type(#{$j + 1}) {
        width: $size * $mass;
        height: $size * $mass;
        border: $border solid;
        color: $color;
      }
        
      &[top]:nth-of-type(#{$j}) {
        @include clip("top", $mass);
      }
        
      &[bottom]:nth-of-type(#{$j + 1}) {
        @include clip("bottom", $mass);
      }
    }
  }
}

body:hover {
  background: #1a1f28;
  
  Saturn {
    transform:
      scale(1.25)
      rotate(-5deg);

    Ring {
      transform:
        translate(-50%, -50%)
        rotateX(60deg)
    }
  }
}
            
          
!
            
              function nJoin(n, cb) {
  return new Array(n)
    .join(' ')
    .split(' ')
    .map(cb)
    .join('')
}

var w = window.innerWidth
var h = window.innerHeight

var stars = nJoin(60, e => {
  var top = Math.random() * h
  var left = Math.random() * w
  var style = `
    top: ${top}px;
    left: ${left}px;
  `
  return `
    <span
      class="star"
      style="${style}">
    </span>
  `
})
document.body.innerHTML += stars
            
          
!
999px
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