diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/Exceptions.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/Exceptions.js
index 7bf3f6d..3ee2c95 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/Exceptions.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/Exceptions.js
@@ -33,8 +33,13 @@ export default function getExceptions(theState) {
 
       };
 
-      return (
-        <div>
+      return props.flags.ifInsideOptionsPage
+        ? (
+        <div class="nowrap">
+          Редактор исключений доступен только для <a href="chrome://newtab">вкладок</a>.
+        </div>)
+        :
+        (<div>
           {createElement(ExcEditor, props)}
           <ul id="excMods">
             {
@@ -54,9 +59,6 @@ export default function getExceptions(theState) {
                   }}
                 />;
 
-                //const key = conf.key;
-                //modKeyToLi[key] = li;
-
               })
             }
           </ul>
diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/ModList.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/ModList.js
index 8904a66..e14fc40 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/ModList.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/ModList.js
@@ -41,7 +41,7 @@ export default function getModList(theState) {
           </ul>
           {createElement(ApplyMods, Object.assign({}, props,
             {
-              disabled: !this.state.ifChangesStashed,
+              disabled: !this.state.ifChangesStashed || props.ifInputsDisabled,
               onClick: () => {
 
                 const oldMods = this.props.apis.pacKitchen.getPacMods();
diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/TabPanel.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/TabPanel.js
index 54a5d15..56787e3 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/TabPanel.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/components/TabPanel.js
@@ -2,7 +2,7 @@ import Inferno, { linkEvent } from 'inferno';
 import Component from 'inferno-component';
 import css from 'csjs-inject';
 
-export default function getTabPannel({ flags }) {
+export default function getTabPannel({ flags, baseCss }) {
 
   const scopedCss = css`
 
@@ -18,19 +18,17 @@ export default function getTabPannel({ flags }) {
     :root.ifInsideOptionsPage .tabContainer {
       padding-bottom: 0.6em;
     }
-    :root.ifInsideOptionsPage .tabContainer:not(:last-child),
-    .underlined {
+    :root.ifInsideOptionsPage nav.mainNav > div:not(:last-child) {
       border-bottom: 1px solid var(--cr-options-headline);
     }
+
     :root.ifInsideOptionsPage .navLabels {
       display: none;
     }
 
     /* HIDE starts. */
 
-      :root:not(.ifInsideOptionsPage) .mainNav input:not(:checked) + section,
-      /* One button shared between two sections: */
-      :root:not(.ifInsideOptionsPage) .mainNav input:not(:checked) + #apply-mods-section
+      :root:not(.ifInsideOptionsPage) .mainNav input:not(:checked) + section
       {
         /* Hide, but preclude width resizes. */
         height: 0px !important;
@@ -45,9 +43,7 @@ export default function getTabPannel({ flags }) {
         transform: scaleY(0) !important;
       }
 
-      :root:not(.ifInsideOptionsPage) .mainNav input:not(:checked) + section *,
-      /* One button shared between two sections: */
-      :root:not(.ifInsideOptionsPage) .mainNav #apply-mods-section * // TODO
+      :root:not(.ifInsideOptionsPage) .mainNav input:not(:checked) + section *
       {
         margin-top: 0 !important;
         margin-bottom: 0 !important;
diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
index 0eb07cf..cc61dd6 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
@@ -1,7 +1,7 @@
 export default function append(document, { flags }) {
 
   // innerText converts \n to <br>, so:
-  document.head.querySelector('style').innerHTML = `
+  document.querySelector('style').innerHTML = `
     /* GLOBAL VARIABLES */
 
     :root {
diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/index.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/index.js
index f9dd9e1..af5329d 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/index.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/index.js
@@ -3,6 +3,7 @@
 import Inferno from 'inferno';
 import createElement from 'inferno-create-element';
 import appendGlobalCss from './globalCss';
+import css from 'csjs-inject';
 import getApp from './components/App';
 
 chrome.runtime.getBackgroundPage( (bgWindow) =>
@@ -40,6 +41,7 @@ chrome.runtime.getBackgroundPage( (bgWindow) =>
       // STATE DEFINED, COMPOSE.
 
       appendGlobalCss(document, theState);
+      // Extendable css classes.
 
       Inferno.render(
         createElement(getApp(theState), theState),