$link-text-color: $blue;

@mixin link($text-color: $blue, $text-decoration: underline, $text-color__hover: lighten($text-color, 10%)) {
  color: $text-color;
  text-decoration: none;
  cursor: pointer;

  &:hover, &:active {
    color: $text-color__hover;
    text-decoration: $text-decoration;
  }
}