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              @import "compass/css3";

/** 
 * Thanks David! ;)
 */
@font-face {
    font-family: 'MetafizzyLogoRegular';
    src: url('http://metafizzy.co/assets/fonts/metafizzylogo-regular.eot');
    src: url('http://metafizzy.co/assets/fonts/metafizzylogo-regular.eot?#iefix') format('embedded-opentype'),
         url('http://metafizzy.co/assets/fonts/metafizzylogo-regular.woff') format('woff'),
         url('http://metafizzy.co/assets/fonts/metafizzylogo-regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/** 
 * Returns the number of keyframes required based on $n (max 50)
 * $n: length of colors list
 * Basically: 2->50, 3->48, 4->48, 5->50, 6->48, 7->49, 8->48, 9->45, 10->50
 */
@function define-max($n) {
  @for $i from 1 through 51 {
    @if $i * $n > 50 {
      @return $i - 1;
    }
  }
}

/**
 * Returns a list of N values based on a list of colors
 * knowing N % $colors length has to be equals to 0 (to make the loop loops)
 * and N can't be greater than 50 (number of keyframes)
 * $colors: list of colors to be used
 */
@function create-list($colors) {
  $a: define-max( length($colors) );
  $l: ();
  @each $c in $colors {
    @for $i from 1 through $a {
      $l: append($l, $c);
    }
  }
  @return $l;
}

/**
 * Mixin outputing a crapload of text-shadows (50 actually)
 * $hue: starting hue
 */
@mixin text-3d($hue: 0) {            
  $ts: ();
  @for $i from 1 through 50 {
    $ts: $ts, $i*2px $i*2px hsl($hue + $i*1, 100%, 50% - $i);            
  }
  text-shadow: $ts, 0 0 50px, 0 0 55px;
}

/**
 * Mixin outputing a crapload of text-shadows (based on given list of colors)
 * Used for animated hover
 * $index: index of the color list at which the first text-shadow will start
 * $cols: list of colors
 */
@mixin crazy-rainbow($n, $colors) {
  $ts: (); 
  $colors: create-list($colors);
      
   @for $i from 1 through length($colors) {
    $n: if($n > length($colors) or $n == 0, 1, $n);
      
    $ts: $ts, $i*2px $i*2px 0 nth($colors, $n);
        
    $n: $n + 1;
  }
      
  text-shadow: $ts;
}
    
/**
 * Mixin to metafizzy a text
 * $size: font-size used
 * $duration: color-changing animation duration
 */
@mixin metafizzy($size, $duration: 20s) {
  font-family: 'MetafizzyLogoRegular', cursive;
  color: white;
  line-height: .9em;
  font-weight: normal;
  font-size: $size;
  animation: text-3d-animation $duration linear infinite;  
  
  &:hover {
    animation: crazy-rainbow-animation 1s linear infinite; 
    animation-direction: reverse; 
  }
}

/**
 * Mixin generating keyframes for animations
 * Outputing a crapload of text shadows
 */
@mixin metafizzy-animations($hover-colors) {
  /**
   * Rainbow animation, changing color smoothly
   */
  @keyframes text-3d-animation {
    @for $i from 0 through 10 {
      #{$i*10%} {
        @include text-3d($i * 36); 
      }
    }
  }  
  
  /**
   * Hover epiphany
   */
  @keyframes crazy-rainbow-animation {      
    0% { 
      @include crazy-rainbow(50, $hover-colors); 
    } 
    @for $i from 1 through 50 {
      #{$i*2%} {
       @include crazy-rainbow($i, $hover-colors);
      }
    }
  }
}

body {
  background: black; 
  overflow: hidden;
}

/**
 * Until @at-root (Sass 3.3), we have to call this outside h1
 * Actually @keyframes bubbling would work too.
 */
 @include metafizzy-animations(red orangered gold lightgreen green deepskyblue);


h1 {
  margin: .1em;
  @include metafizzy(25em, 5s);     
}

            
          
!
            
              // A SCSS verions of David DeSandro's Meta Fizzy http://metafizzy.co/ 
            
          
!
999px
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