https://bugzilla.wikimedia.org/show_bug.cgi?id=17294

           Summary: hover pseudo-class for TablePager causes slowdown in IE7
           Product: MediaWiki
           Version: 1.15-svn
          Platform: All
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: General/Unknown
        AssignedTo: wikibugs-l@lists.wikimedia.org
        ReportedBy: rock...@gmail.com


The following line in monobook/main.css causes high CPU usage in Internet
Explorer 7:

.TablePager tr:hover td { background-color: #eeeeff }

As far as I can see, this is used primarily on Special:ListFiles. However, it
will cause slowdown on all pages, especially large ones. When scrolling down
and hovering over links on
<http://en.wikipedia.org/wiki/Wikipedia:Deletion_review>, it is quite
noticeable.

Removing the aforementioned CSS rule fixes the problem.


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