Index: lams_central/web/css/defaultHTML_rtl.css
===================================================================
diff -u -rc596693ba33aa285ce587e35b0de17ba4d873c80 -rbad6e3794839be6f2f5883e12c5eee83081454af
--- lams_central/web/css/defaultHTML_rtl.css	(.../defaultHTML_rtl.css)	(revision c596693ba33aa285ce587e35b0de17ba4d873c80)
+++ lams_central/web/css/defaultHTML_rtl.css	(.../defaultHTML_rtl.css)	(revision bad6e3794839be6f2f5883e12c5eee83081454af)
@@ -384,6 +384,11 @@
 	text-decoration: none;
 }
 
+/* CKEditor buttons */
+#content a.cke_button {
+	border-bottom: none;
+}
+
 /*layout of authoring buttons*/
 
 /*layout of a general button*/