FLUID-3178

[Alison Benjamin]

Hi,

This adds a class to fss-layout.css that hides text for screen readers.

Thanks,
Alison
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Index: webapp/framework/fss/css/fss-layout.css
===================================================================
--- webapp/framework/fss/css/fss-layout.css	(revision 7986)
+++ webapp/framework/fss/css/fss-layout.css	(working copy)
@@ -276,5 +276,7 @@
 .fl-ProgEnhance-basic, /* << syntax breaks conventions and is Deprecated*/
 .fl-progEnhance-basic {}
 
+/* hide text for screen readers. */
+.fl-hidden {position:absolute; left:-10000px; top:auto; width:1px; height:1px; overflow:hidden;}