diff --git a/gtk-3.20/scss/widgets/_notebook.scss b/gtk-3.20/scss/widgets/_notebook.scss
index 4bee67a..d51ccd7 100644
--- a/gtk-3.20/scss/widgets/_notebook.scss
+++ b/gtk-3.20/scss/widgets/_notebook.scss
@@ -87,7 +87,7 @@
             button.flat {
                 &:hover { color: shade(currentColor, .95); }
 
-                &, &:backdrop { color: gtkalpha(currentColor, 0.3); }
+                &, &:backdrop { color: gtkalpha(currentColor, .3); }
 
                 padding: 0;
                 margin-top: 4px;
@@ -108,9 +108,6 @@
             }
 
             label { color: mix($text_color, $base_color, .3); }
-
-            /* close button styling */
-            button { @extend %close_button; }
         }
 
         .prelight-page {