diff --git a/repo/core/css/titlebar.css b/repo/core/css/titlebar.css
index f6577bc..23a332a 100644
--- a/repo/core/css/titlebar.css
+++ b/repo/core/css/titlebar.css
@@ -2,7 +2,6 @@
  * notion-enhancer
  * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
  * (c) 2020 TarasokUA
- * (c) 2020 Arecsu
  * under the MIT license
  */
 
@@ -46,19 +45,3 @@
     justify-content: flex-end;
   }
 }
-
-/* hide topbar when sidebar is hidden */
-.notion-sidebar-container[style*='width: 0px;'] + .notion-frame {
-  height: calc(
-    100% - (var(--configured-dragarea_height, 10px) + 45px)
-  ) !important;
-}
-.notion-sidebar-container[style*='width: 0px;'] + .notion-frame .notion-topbar {
-  opacity: 0 !important;
-  transition: opacity 200ms ease-in-out !important;
-}
-.notion-sidebar-container[style*='width: 0px;']
-  + .notion-frame
-  .notion-topbar:hover {
-  opacity: 1 !important;
-}
diff --git a/repo/focus-mode/mod.js b/repo/focus-mode/mod.js
new file mode 100644
index 0000000..8692aaa
--- /dev/null
+++ b/repo/focus-mode/mod.js
@@ -0,0 +1,18 @@
+/*
+ * focus mode
+ * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
+ * (c) 2020 Arecsu
+ * under the MIT license
+ */
+
+'use strict';
+
+module.exports = {
+  id: '5a08598d-bfac-4167-9ae8-2bd0e2ef141e',
+  tags: ['extension'],
+  name: 'focus mode',
+  desc:
+    'hide the titlebar/menubar when the sidebar is closed (will be shown on hover).',
+  version: '0.0.1',
+  author: 'arecsu',
+};
diff --git a/repo/focus-mode/styles.css b/repo/focus-mode/styles.css
new file mode 100644
index 0000000..52920d6
--- /dev/null
+++ b/repo/focus-mode/styles.css
@@ -0,0 +1,21 @@
+/*
+ * focus mode
+ * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
+ * (c) 2020 Arecsu
+ * under the MIT license
+ */
+
+.notion-sidebar-container[style*='width: 0px;'] + .notion-frame {
+  height: calc(
+    100% - (var(--configured-dragarea_height, 10px) + 45px)
+  ) !important;
+}
+.notion-sidebar-container[style*='width: 0px;'] + .notion-frame .notion-topbar {
+  opacity: 0 !important;
+  transition: opacity 200ms ease-in-out !important;
+}
+.notion-sidebar-container[style*='width: 0px;']
+  + .notion-frame
+  .notion-topbar:hover {
+  opacity: 1 !important;
+}
diff --git a/repo/neutral/mod.js b/repo/neutral/mod.js
index 6e26654..500d734 100644
--- a/repo/neutral/mod.js
+++ b/repo/neutral/mod.js
@@ -1,6 +1,7 @@
 /*
  * neutral
  * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
+ * (c) 2020 Arecsu
  * under the MIT license
  */
 
diff --git a/repo/neutral/styles.css b/repo/neutral/styles.css
index 6cdd068..0a1530d 100644
--- a/repo/neutral/styles.css
+++ b/repo/neutral/styles.css
@@ -1,5 +1,5 @@
 /*
- * notion-enhancer
+ * neutral
  * (c) 2020 dragonwocky <thedragonring.bod@gmail.com> (https://dragonwocky.me/)
  * (c) 2020 Arecsu
  * under the MIT license
@@ -36,7 +36,7 @@
   --theme_dark--font-heading1_size: 33px;
   --theme_dark--font-heading2_size: 25.3px;
   --theme_dark--font-heading3_size: 19.5px;
-  --theme_dark--font-label_size: 15px;
+  --theme_dark--font-label_size: 13.5px;
   --theme_dark--font-body_size: 15px;
   --theme_dark--font-code_size: 13.5px;