diff --git a/repo/indentation-lines/client.css b/repo/indentation-lines/client.css
index 5f0f0c6..c7ab6b5 100644
--- a/repo/indentation-lines/client.css
+++ b/repo/indentation-lines/client.css
@@ -9,6 +9,9 @@
 .notion-page-content .notion-numbered_list-block > div > div:last-child,
 .notion-page-content .notion-to_do-block > div > div:last-child,
 .notion-page-content .notion-toggle-block > div > div:last-child,
+.notion-page-content .notion-selectable.notion-sub_header-block > div > div > div:last-child,
+.notion-page-content .notion-selectable.notion-sub_sub_header-block > div > div > div:last-child,
+.notion-page-content .notion-selectable.notion-sub_sub_sub_header-block > div > div > div:last-child,
 .notion-page-content .notion-table_of_contents-block > div > div > a > div > div {
   position: relative;
 }
@@ -16,7 +19,11 @@
 .notion-page-content .notion-bulleted_list-block > div > div:last-child::before,
 .notion-page-content .notion-numbered_list-block > div > div:last-child::before,
 .notion-page-content .notion-to_do-block > div > div:last-child::before,
-.notion-page-content .notion-toggle-block > div > div:last-child::before {
+.notion-page-content .notion-toggle-block > div > div:last-child::before,
+.notion-page-content .notion-selectable.notion-sub_header-block > div > div > div:last-child::before,
+.notion-page-content .notion-selectable.notion-sub_sub_header-block > div > div > div:last-child::before,
+.notion-page-content .notion-selectable.notion-sub_sub_sub_header-block > div > div > div:last-child::before,
+.notion-page-content .pseudoSelection > div > div:last-child::before {
   content: '';
   position: absolute;
   height: calc(100% - 2em);
@@ -93,3 +100,4 @@
   > .plus:hover {
   background: var(--theme--ui_interactive-hover) !important;
 }
+
diff --git a/repo/indentation-lines/client.mjs b/repo/indentation-lines/client.mjs
index 26440e5..865b119 100644
--- a/repo/indentation-lines/client.mjs
+++ b/repo/indentation-lines/client.mjs
@@ -48,7 +48,21 @@ export default async function ({ web }, db) {
       }
     }
   }
-
+  if (await db.get(['toggle_header'])) {
+    css += `
+      .notion-page-content .notion-selectable.notion-sub_sub_header-block > div > div > div:last-child::before {
+        border-left: 1px ${style} var(--indentation_lines--color, currentColor);
+        opacity: ${opacity};
+      }
+      .notion-page-content .notion-selectable.notion-sub_header-block > div > div > div:last-child::before {
+        border-left: 1px ${style} var(--indentation_lines--color, currentColor);
+        opacity: ${opacity};
+      }
+      .notion-page-content .notion-selectable.notion-sub_sub_sub_header-block > div > div > div:last-child::before {
+        border-left: 1px ${style} var(--indentation_lines--color, currentColor);
+        opacity: ${opacity};
+      }`;
+  }
   if (db.get(['table_of_contents'])) {
     css += `
       .notion-page-content .notion-table_of_contents-block > div > div > a > div
diff --git a/repo/indentation-lines/mod.json b/repo/indentation-lines/mod.json
index 61ab0be..33a82d9 100644
--- a/repo/indentation-lines/mod.json
+++ b/repo/indentation-lines/mod.json
@@ -50,6 +50,12 @@
       "label": "toggle lists",
       "value": true
     },
+    {
+      "type": "toggle",
+      "key": "toggle_header",
+      "label": "toggle headers",
+      "value": true
+    },
     {
       "type": "toggle",
       "key": "table_of_contents",
diff --git a/repo/tabs/client.mjs b/repo/tabs/client.mjs
index 8f0960b..9373351 100644
--- a/repo/tabs/client.mjs
+++ b/repo/tabs/client.mjs
@@ -10,14 +10,14 @@ export default async function ({ web, electron }, db) {
   const newTabHotkey = await db.get(['new_tab']),
     closeTabHotkey = await db.get(['close_tab']),
     restoreTabHotkey = await db.get(['restore_tab']),
-    selectTabModifier = await db.get(['select_modifier']);
+    selectTabModifier = await db.get(['select_modifier']),
+    prevTabHotkey = await db.get(['prev_tab']),
+    nextTabHotkey = await db.get(['next_tab']);
   web.addHotkeyListener(newTabHotkey, () => {
     electron.sendMessageToHost('new-tab');
-    console.log('new-tab');
   });
   web.addHotkeyListener(restoreTabHotkey, () => {
     electron.sendMessageToHost('restore-tab');
-    console.log('restore-tab');
   });
   web.addHotkeyListener(closeTabHotkey, () => electron.sendMessageToHost('close-tab'));
   for (let i = 1; i < 10; i++) {
@@ -25,6 +25,12 @@ export default async function ({ web, electron }, db) {
       electron.sendMessageToHost('select-tab', i);
     });
   }
+  web.addHotkeyListener(prevTabHotkey, () => {
+    electron.sendMessageToHost('select-prev-tab')
+  });
+  web.addHotkeyListener(nextTabHotkey, () => {
+    electron.sendMessageToHost('select-next-tab')
+  }); 
 
   const breadcrumbSelector =
       '.notion-topbar > div > [class="notranslate"] > .notion-focusable:last-child',
diff --git a/repo/tabs/mod.json b/repo/tabs/mod.json
index 29dc614..0d3004b 100644
--- a/repo/tabs/mod.json
+++ b/repo/tabs/mod.json
@@ -62,6 +62,18 @@
         "Super+Shift"
       ]
     },
+    {
+      "type": "hotkey",
+      "key": "prev_tab",
+      "label": "previous tab hotkey",
+      "value": "Control+Shift+Tab"
+    },
+    {
+      "type": "hotkey",
+      "key": "next_tab",
+      "label": "next tab hotkey",
+      "value": "Control+Tab"
+    },
     {
       "type": "hotkey",
       "key": "new_tab",
diff --git a/repo/tabs/tab.cjs b/repo/tabs/tab.cjs
index 76cf622..4e44cc0 100644
--- a/repo/tabs/tab.cjs
+++ b/repo/tabs/tab.cjs
@@ -228,6 +228,36 @@ module.exports = async function (api, db, tabCache = new Map()) {
         const $tab = i === 9 ? this.$tabList.lastElementChild : this.$tabList.children[i - 1];
         if ($tab) $tab.click();
       });
+      fromNotion('notion-enhancer:select-prev-tab', () => {
+        if (this.$tabList.count == 1) {
+          return;
+        }
+        const $sibling = this.$tab.previousElementSibling;
+        if ($sibling) {
+          $sibling.click();
+        }
+        else {
+          let $tab = this.$tabList.lastElementChild;
+          if ($tab) {
+            $tab.click();
+          }
+        }
+      });
+      fromNotion('notion-enhancer:select-next-tab', () => {
+        if (this.$tabList.count == 1) {
+          return;
+        }
+        const $sibling = this.$tab.nextElementSibling;
+        if ($sibling) {
+          $sibling.click();
+        }
+        else {
+          let $tab = this.$tabList.children[0]
+          if ($tab) {
+            $tab.click();
+          }
+        }
+      });
     }
 
     #firstQuery = true;