文字スタイルをSleipnir5風に見やすくするスクリプト
https://userscripts.org/scripts/show/400889

Chrome用　Tampermonkey
https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo#detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo

Safari用　NinjaKit
http://os0x.hatenablog.com/entry/20100612/1276330696

Firefox用　Greasemonkey
https://addons.mozilla.org/ja/firefox/addon/greasemonkey/