Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.2.5)
// ----

$internal_links_patterns: 'beta.ec.europa.eu' 'devcloud.acquia-sites.com' 'webgate.ec.europa.eu';

@mixin internal-icon($patterns) {
  @each $url in $patterns {
    &:not([href*="#{$url}"]) {
      @content
    };
  }
}

a {
  @include internal-icon($internal_links_patterns) {
    color: white;
  }
}

SassMeister-output.css

a:not([href*="beta.ec.europa.eu"]) {
  color: white;
}

a:not([href*="devcloud.acquia-sites.com"]) {
  color: white;
}

a:not([href*="webgate.ec.europa.eu"]) {
  color: white;
}