external link mediawiki style, from https://github.com/wikimedia/mediawiki/blob/8eb812c2b8b193f3c0570b1d9b23472c4ef4ca35/resources/src/mediawiki.skinning/content.externallinks.css#L18
external link mediawiki style, from https://github.com/wikimedia/mediawiki/blob/8eb812c2b8b193f3c0570b1d9b23472c4ef4ca35/resources/src/mediawiki.skinning/content.externallinks.css#L18

klml/usefulclassroomphrases