sass-site/source/assets/stylesheets/dependencies/_themes.scss

// ===========================================================================
// THEMES



// ---------------------------------------------------------------------------
// EASY LINK COLORS

@mixin link($link-setting: $link-color, $hover-setting: $link-hover-color, $active-setting: $link-active-color) {
  &,
  &:visited { color: $link-setting; }

  &:hover,
  &:focus   { color: $hover-setting;  }

  &:active  { color: $active-setting; }
}



// ---------------------------------------------------------------------------
// REUSABLE THEMES

%navigation-theme {
  background: $navigation-background-color;
  color: $navigation-text-color;
  text-shadow: 0 -1px 1px rgba($black, .5);

  a { @include link(lighten($navigation-text-color, 5%), lighten($navigation-text-color, 15%), lighten($navigation-text-color, 25%)); }
}



%callout-theme {
  background: $callout-background-color;
  color:      $callout-text-color;

  a { @include link(darken($callout-text-color, 5%), darken($callout-text-color, 15%), darken($callout-text-color, 25%)); }
}