[css-conditional-3][editorial] Export term as *CSS* feature queries to avoid possible naming clashes.

Author: fantasai

css-conditional-3/Overview.bs

@@ -232,7 +232,7 @@ rule whose condition tests whether the user agent supports CSS
 ''property:value'' pairs.  Authors can use it to write style sheets that use
 new features when available but degrade gracefully when those features
 are not supported.
-These queries are called <dfn export>feature queries</dfn> or (colloquially) <dfn export>supports queries</dfn>.
+These queries are called <dfn export>CSS feature queries</dfn> or (colloquially) <dfn export>supports queries</dfn>.
 
 Note: CSS has existing mechanisms for graceful
 degradation, such as ignoring unsupported properties or values, but

css-contain-3/Overview.bs

@@ -545,7 +545,7 @@ Size Container Features</h3>
 	a feature name, a comparator, and a value.
 	[[mediaqueries-5]]
 	The boolean syntax and logic combining [=size features=] into a <<size-query>>
-	is the same as for [=feature queries=].
+	is the same as for [=CSS feature queries=].
 	(See ''@supports''. [[!CSS-CONDITIONAL-3]])
 
 	If the [=query container=] does not have a [=principal box=],