A stylesheet that displays access keys of the links (rather) elegantly. Should work on other wikis as well.

Demo

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Links with access keys show up like this:

Various elements in the editing interface are also styled:

Edit summary(B)

 

This is a minor edit (I) Watch this page (W)

Install

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Paste this code into your common.css file:

@import url('https://en.wikipedia.org/w/index.php?title=User:Zhaofeng_Li/accesskey.css&action=raw&ctype=text/css');