== Why is this an issue?

Because of the way it's architected, Internet Explorer 9 and below has hard limits on the size and complexity of the stylesheets it can support. Stylesheet nesting may only go 4 levels deep. Anything beyond those limits won't be suppported. 

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== Comments And Links
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=== on 16 Aug 2016, 21:33:38 Ann Campbell wrote:
Closing because the limit is gone in IE 10 & > & marketshare of impared browsers is quite low.


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