MediaWiki:Gadget-showAccessKeys.css

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/*
Displays access keys (keyboard shortcuts) next to links that have them. Inspired by http://lifehacker.com/5578640/display-a-web-pages-keyboard-shortcuts-in-firefox
*/

a[accesskey]:after,
button[accesskey]:after,
input[accesskey]:after,
label[accesskey]:after,
legend[accesskey]:after,
textarea[accesskey]:after
{
   margin-left: 0.3em;
   font-size: 8pt;
   content: "[" attr(accesskey) "]";
}