diff --git a/gtk-3.0/gtk-dark.css b/gtk-3.0/gtk-dark.css
index dfc89eb..d41c5ec 100755
--- a/gtk-3.0/gtk-dark.css
+++ b/gtk-3.0/gtk-dark.css
@@ -3207,7 +3207,7 @@ notebook button.flat {
     border: none;
     background-color: transparent; }
   notebook button.flat:hover, notebook button.flat:active, notebook button.flat:checked {
-    background: #00D3A7; }
+    background: #c50ed2; }
 
 /*********
  * Paned *
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index dfc89eb..d41c5ec 100755
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -3207,7 +3207,7 @@ notebook button.flat {
     border: none;
     background-color: transparent; }
   notebook button.flat:hover, notebook button.flat:active, notebook button.flat:checked {
-    background: #00D3A7; }
+    background: #c50ed2; }
 
 /*********
  * Paned *