doc class test

docs/modules/core/pages/effect/effects_overview.adoc

@@ -82,15 +82,14 @@ public class MyGame extends SimpleApplication {
 
 == Water
 
-[.float-group]
---
-[.right.text-left]
+
+[.doc.right]
 image::effect/water-post.png[water-post.png,width="150",height="100"]
 
-[.right.text-left]
+[.doc.right]
 image::effect/water.png[water.png,width="150",height="100"]
 
-[.right.text-left]
+[.doc.right]
 image::effect/water-reflection-muddy.png[water-reflection-muddy.png,width="150",height="100"]
 
 [.right.text-left]