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@mixin webfont($font : list of items)
{
  $url: "//fonts.googleapis.com/css?family=";
  $font : unquote($font);
  $i : 0;
  
  @each $word in $font {
    $i : $i + 1;
    $url : $url + $word;
    @if( $i < length($font) ){
      $url : $url + '+'
    }
  }
  
  @import url('#{$url}')
}