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HTML

              
                - (1..25).each do |i|
  %i
              
            
!

CSS

              
                $backgrounds: (
	#00000c,
	linear-gradient(to bottom, #020111 85%,#191621 100%),
	linear-gradient(to bottom, #020111 60%,#20202c 100%),
	linear-gradient(to bottom, #020111 10%,#3a3a52 100%),
	linear-gradient(to bottom, #20202c 0%,#515175 100%),
	linear-gradient(to bottom, #40405c 0%,#6f71aa 80%,#8a76ab 100%),
	linear-gradient(to bottom, #4a4969 0%,#7072ab 50%,#cd82a0 100%),
	linear-gradient(to bottom, #757abf 0%,#8583be 60%,#eab0d1 100%),
	linear-gradient(to bottom, #82addb 0%,#ebb2b1 100%),
	linear-gradient(to bottom, #94c5f8 1%,#a6e6ff 70%,#b1b5ea 100%),
	linear-gradient(to bottom, #b7eaff 0%,#94dfff 100%),
	linear-gradient(to bottom, #9be2fe 0%,#67d1fb 100%),
	linear-gradient(to bottom, #90dffe 0%,#38a3d1 100%),
	linear-gradient(to bottom, #57c1eb 0%,#246fa8 100%),
	linear-gradient(to bottom, #2d91c2 0%,#1e528e 100%),
	linear-gradient(to bottom, #2473ab 0%,#1e528e 70%,#5b7983 100%),
	linear-gradient(to bottom, #1e528e 0%,#265889 50%,#9da671 100%),
	linear-gradient(to bottom, #1e528e 0%,#728a7c 50%,#e9ce5d 100%),
	linear-gradient(to bottom, #154277 0%,#576e71 30%,#e1c45e 70%,#b26339 100%),
	linear-gradient(to bottom, #163C52 0%,#4F4F47 30%,#C5752D 60%,#B7490F 80%, #2F1107 100%),
	linear-gradient(to bottom, #071B26 0%,#071B26 30%,#8A3B12 80%,#240E03 100%),
	linear-gradient(to bottom, #010A10 30%,#59230B 80%,#2F1107 100%),
	linear-gradient(to bottom, #090401 50%,#4B1D06 100%),
	linear-gradient(to bottom, #00000c 80%,#150800 100%),
	#00000c
);

html, body {
  width: 100%; height: 100%;
  margin: 0; padding: 0;
  background: #2D2E2F;
  overflow: hidden;
}
i {
  float: left;
  width: 4%; height: 100%;
  opacity: .7;
  
  &:hover {
    opacity: 1 !important;
  }
  &:active {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    opacity: 1;
    z-index: 99;
  }
  @for $i from 1 through 25 {
    &:nth-child(#{$i}) {
      background: nth($backgrounds, $i);
    }
  }
}
              
            
!

JS

              
                
              
            
!
999px

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