diff --git a/webapp/packages/administration/src/AdministrationMenuService.ts b/webapp/packages/administration/src/AdministrationMenuService.ts
index 650b843273..629be48fb4 100644
--- a/webapp/packages/administration/src/AdministrationMenuService.ts
+++ b/webapp/packages/administration/src/AdministrationMenuService.ts
@@ -6,33 +6,46 @@
  * you may not use this file except in compliance with the License.
  */
 
-import { SettingsMenuService } from '@dbeaver/core/app';
-import { injectable } from '@dbeaver/core/di';
+import { SettingsMenuService, ScreenService, AppScreenService } from '@dbeaver/core/app';
+import { injectable, Bootstrap } from '@dbeaver/core/di';
 import { PermissionsService } from '@dbeaver/core/root';
 
 import { AdministrationScreenService } from './AdministrationScreen/AdministrationScreenService';
-
-export const ADMINISTRATION_PERMISSION = 'admin';
+import { EAdminPermission } from './EAdminPermission';
 
 @injectable()
-export class AdministrationMenuService {
-  static administrationMenuToken = 'administrationMenu';
+export class AdministrationMenuService extends Bootstrap {
   constructor(
     private settingsMenuService: SettingsMenuService,
     private permissionsService: PermissionsService,
+    private screenService: ScreenService,
     private administrationScreenService: AdministrationScreenService,
-  ) { }
+    private appScreenService: AppScreenService
+  ) {
+    super();
+  }
 
-  register() {
+  bootstrap() {
     this.settingsMenuService.addMenuItem(
       SettingsMenuService.settingsMenuToken,
       {
-        id: AdministrationMenuService.administrationMenuToken,
+        id: 'administrationMenuEnter',
         order: 0,
-        isHidden: () => !this.permissionsService.has(ADMINISTRATION_PERMISSION),
+        isHidden: () => !this.permissionsService.has(EAdminPermission.admin)
+          || this.screenService.isActive(AdministrationScreenService.screenName),
         title: 'administration_menu_enter',
         onClick: () => this.administrationScreenService.navigateToRoot(),
       }
     );
+    this.settingsMenuService.addMenuItem(
+      SettingsMenuService.settingsMenuToken,
+      {
+        id: 'administrationMenuBack',
+        order: 0,
+        isHidden: () => !this.screenService.isActive(AdministrationScreenService.screenName),
+        title: 'administration_menu_back',
+        onClick: () => this.appScreenService.navigateToRoot(),
+      }
+    );
   }
 }
diff --git a/webapp/packages/administration/src/AdministrationScreen/AdministrationScreen.tsx b/webapp/packages/administration/src/AdministrationScreen/AdministrationScreen.tsx
index e8eb7f588f..6cf20e05bc 100644
--- a/webapp/packages/administration/src/AdministrationScreen/AdministrationScreen.tsx
+++ b/webapp/packages/administration/src/AdministrationScreen/AdministrationScreen.tsx
@@ -6,6 +6,21 @@
  * you may not use this file except in compliance with the License.
  */
 
-export function AdministrationScreen() {
-  return <>Hello</>;
-}
+import { observer } from 'mobx-react';
+
+import { usePermission } from '@dbeaver/core/root';
+
+import { EAdminPermission } from '../EAdminPermission';
+import { AdministrationTopAppBar } from './AdministrationTopAppBar/AdministrationTopAppBar';
+
+export const AdministrationScreen = observer(function AdministrationScreen() {
+  if (!usePermission(EAdminPermission.admin)) {
+    return <>You has no permission</>;
+  }
+
+  return (
+    <>
+      <AdministrationTopAppBar />
+    </>
+  );
+});
diff --git a/webapp/packages/administration/src/AdministrationScreen/AdministrationScreenService.ts b/webapp/packages/administration/src/AdministrationScreen/AdministrationScreenService.ts
index c5081f1f7c..de9a5997ac 100644
--- a/webapp/packages/administration/src/AdministrationScreen/AdministrationScreenService.ts
+++ b/webapp/packages/administration/src/AdministrationScreen/AdministrationScreenService.ts
@@ -6,26 +6,44 @@
  * you may not use this file except in compliance with the License.
  */
 
-import { ScreenService, RouterService } from '@dbeaver/core/app';
-import { injectable } from '@dbeaver/core/di';
+import { ScreenService, RouterService, AppScreenService } from '@dbeaver/core/app';
+import { injectable, Bootstrap } from '@dbeaver/core/di';
+import { PermissionsService } from '@dbeaver/core/root';
 
+import { EAdminPermission } from '../EAdminPermission';
 import { AdministrationScreen } from './AdministrationScreen';
 
 @injectable()
-export class AdministrationScreenService {
+export class AdministrationScreenService extends Bootstrap {
 
   static screenName = 'administration'
 
   constructor(
     private screenService: ScreenService,
     private routerService: RouterService,
-  ) {}
+    private permissionsService: PermissionsService,
+    private appScreenService: AppScreenService
+  ) {
+    super();
+    this.permissionsService.onUpdate.subscribe(this.handleActivate.bind(this));
+  }
 
   navigateToRoot() {
-    return this.routerService.router.navigate(AdministrationScreenService.screenName);
+    this.routerService.router.navigate(AdministrationScreenService.screenName);
   }
 
-  register() {
-    this.screenService.add({ name: AdministrationScreenService.screenName, path: '/admin', component: AdministrationScreen });
+  bootstrap() {
+    this.screenService.create({
+      name: AdministrationScreenService.screenName,
+      path: '/admin',
+      component: AdministrationScreen,
+      onActivate: this.handleActivate.bind(this),
+    });
+  }
+
+  private handleActivate() {
+    if (!this.permissionsService.has(EAdminPermission.admin)) {
+      this.appScreenService.navigateToRoot();
+    }
   }
 }
diff --git a/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBar.tsx b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBar.tsx
new file mode 100644
index 0000000000..67f8db9820
--- /dev/null
+++ b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBar.tsx
@@ -0,0 +1,22 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { Placeholder, TopAppBar } from '@dbeaver/core/blocks';
+import { useService } from '@dbeaver/core/di';
+
+import { AdministrationTopAppBarService } from './AdministrationTopAppBarService';
+
+export function AdministrationTopAppBar() {
+  const administrationTopAppBarService = useService(AdministrationTopAppBarService);
+
+  return (
+    <TopAppBar>
+      <Placeholder container={administrationTopAppBarService.placeholder} />
+    </TopAppBar>
+  );
+}
diff --git a/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBarService.ts b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBarService.ts
new file mode 100644
index 0000000000..bcd0ae00a8
--- /dev/null
+++ b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBarService.ts
@@ -0,0 +1,24 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { SettingsMenu, Logo } from '@dbeaver/core/app';
+import { PlaceholderContainer } from '@dbeaver/core/blocks';
+import { injectable } from '@dbeaver/core/di';
+
+import { Fill } from './Fill';
+
+@injectable()
+export class AdministrationTopAppBarService {
+  readonly placeholder = new PlaceholderContainer();
+
+  constructor() {
+    this.placeholder.add(Logo, 0);
+    this.placeholder.add(Fill, 3);
+    this.placeholder.add(SettingsMenu, 4);
+  }
+}
diff --git a/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/Fill.tsx b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/Fill.tsx
new file mode 100644
index 0000000000..54bdf739be
--- /dev/null
+++ b/webapp/packages/administration/src/AdministrationScreen/AdministrationTopAppBar/Fill.tsx
@@ -0,0 +1,19 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import styled, { css } from 'reshadow';
+
+const styles = css`
+  fill {
+    flex: 1;
+  }
+`;
+
+export function Fill() {
+  return styled(styles)(<fill as='div' />);
+}
diff --git a/webapp/packages/administration/src/Bootstrap.ts b/webapp/packages/administration/src/Bootstrap.ts
deleted file mode 100644
index d5f2a72de9..0000000000
--- a/webapp/packages/administration/src/Bootstrap.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * cloudbeaver - Cloud Database Manager
- * Copyright (C) 2020 DBeaver Corp and others
- *
- * Licensed under the Apache License, Version 2.0.
- * you may not use this file except in compliance with the License.
- */
-
-import { injectable } from '@dbeaver/core/di';
-
-import { AdministrationMenuService } from './AdministrationMenuService';
-import { AdministrationScreenService } from './AdministrationScreen/AdministrationScreenService';
-
-@injectable()
-export class Bootstrap {
-  constructor(
-    private administrationMenuService: AdministrationMenuService,
-    private administrationScreenService: AdministrationScreenService,
-  ) { }
-
-  bootstrap() {
-    this.administrationScreenService.register();
-    this.administrationMenuService.register();
-  }
-}
diff --git a/webapp/packages/administration/src/EAdminPermission.ts b/webapp/packages/administration/src/EAdminPermission.ts
new file mode 100644
index 0000000000..c1c7cddd49
--- /dev/null
+++ b/webapp/packages/administration/src/EAdminPermission.ts
@@ -0,0 +1,11 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+export enum EAdminPermission {
+  admin = 'admin'
+}
diff --git a/webapp/packages/administration/src/index.ts b/webapp/packages/administration/src/index.ts
index 72c5cfecc9..41181aba8c 100644
--- a/webapp/packages/administration/src/index.ts
+++ b/webapp/packages/administration/src/index.ts
@@ -3,3 +3,5 @@ import { manifest } from './manifest';
 export default manifest;
 
 export * from './AdministrationMenuService';
+export * from './AdministrationScreen/AdministrationScreenService';
+export * from './AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBarService';
diff --git a/webapp/packages/administration/src/manifest.ts b/webapp/packages/administration/src/manifest.ts
index 4acf5d475d..955e91126d 100644
--- a/webapp/packages/administration/src/manifest.ts
+++ b/webapp/packages/administration/src/manifest.ts
@@ -10,7 +10,7 @@ import { IServiceInjector, PluginManifest } from '@dbeaver/core/di';
 
 import { AdministrationMenuService } from './AdministrationMenuService';
 import { AdministrationScreenService } from './AdministrationScreen/AdministrationScreenService';
-import { Bootstrap } from './Bootstrap';
+import { AdministrationTopAppBarService } from './AdministrationScreen/AdministrationTopAppBar/AdministrationTopAppBarService';
 
 export const manifest: PluginManifest = {
   info: {
@@ -20,11 +20,9 @@ export const manifest: PluginManifest = {
   providers: [
     AdministrationMenuService,
     AdministrationScreenService,
+    AdministrationTopAppBarService,
   ],
 
   async initialize(services: IServiceInjector) {
-    services
-      .resolveServiceByClass(Bootstrap)
-      .bootstrap();
   },
 };
diff --git a/webapp/packages/authentication/package.json b/webapp/packages/authentication/package.json
index dde951a9e1..bbb32ddcb6 100644
--- a/webapp/packages/authentication/package.json
+++ b/webapp/packages/authentication/package.json
@@ -12,10 +12,12 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "devDependencies": {
-    "@dbeaver/core": "^0.1.0",
-    "@dbeaver/builder": "^0.1.0"
+    "@dbeaver/administration": "^0.1.0",
+    "@dbeaver/builder": "^0.1.0",
+    "@dbeaver/core": "^0.1.0"
   },
   "peerDependencies": {
+    "@dbeaver/administration": "^0.1.0",
     "@dbeaver/core": "^0.1.0"
   }
 }
diff --git a/webapp/packages/authentication/src/AuthMenuService.ts b/webapp/packages/authentication/src/AuthMenuService.ts
index 0ed1ee92a4..16c998f1ce 100644
--- a/webapp/packages/authentication/src/AuthMenuService.ts
+++ b/webapp/packages/authentication/src/AuthMenuService.ts
@@ -6,6 +6,7 @@
  * you may not use this file except in compliance with the License.
  */
 
+import { AdministrationTopAppBarService } from '@dbeaver/administration';
 import { SettingsMenuService, TopNavService } from '@dbeaver/core/app';
 import { injectable } from '@dbeaver/core/di';
 import { ServerService } from '@dbeaver/core/root';
@@ -24,6 +25,7 @@ export class AuthMenuService {
     private settingsMenuService: SettingsMenuService,
     private authenticationService: AuthenticationService,
     private topNavService: TopNavService,
+    private administrationTopAppBarService: AdministrationTopAppBarService,
   ) { }
 
   register() {
@@ -50,6 +52,7 @@ export class AuthMenuService {
     );
 
     this.topNavService.placeholder.add(UserInfo, 4);
+    this.administrationTopAppBarService.placeholder.add(UserInfo, 4);
   }
 
   private async logout() {
diff --git a/webapp/packages/core/assets/locales/en.js b/webapp/packages/core/assets/locales/en.js
index 740bb9c556..e47957ffb9 100644
--- a/webapp/packages/core/assets/locales/en.js
+++ b/webapp/packages/core/assets/locales/en.js
@@ -42,6 +42,7 @@ module.exports = {
   data_transfer_exporting_sql: 'SQL:',
 
   administration_menu_enter: 'Administration',
+  administration_menu_back: 'Back to app',
 
   authentication_login_dialog_title: 'Authentication',
   authentication_login: 'Login',
diff --git a/webapp/packages/core/assets/locales/ru.js b/webapp/packages/core/assets/locales/ru.js
index 4f5a6ed5db..b652c1dae6 100644
--- a/webapp/packages/core/assets/locales/ru.js
+++ b/webapp/packages/core/assets/locales/ru.js
@@ -41,6 +41,7 @@ module.exports = {
   data_transfer_exporting_sql: 'SQL:',
 
   administration_menu_enter: 'Администрирование',
+  administration_menu_back: 'Вернуться в приложение',
 
   authentication_login_dialog_title: 'Авторизация',
   authentication_login: 'Войти',
diff --git a/webapp/packages/core/src/app/AppScreen/AppScreen.tsx b/webapp/packages/core/src/app/AppScreen/AppScreen.tsx
index 702c3734c0..c8c2aac465 100644
--- a/webapp/packages/core/src/app/AppScreen/AppScreen.tsx
+++ b/webapp/packages/core/src/app/AppScreen/AppScreen.tsx
@@ -6,9 +6,6 @@
  * you may not use this file except in compliance with the License.
  */
 
-import { DialogsPortal } from '@dbeaver/core/dialogs';
-
-import { Notifications } from '../Notifications/Notifications';
 import { TopNavBar } from '../TopNavBar/TopNavBar';
 import { Main } from './Main';
 
@@ -18,8 +15,6 @@ export function AppScreen() {
     <>
       <TopNavBar />
       <Main />
-      <DialogsPortal />
-      <Notifications />
     </>
   );
 }
diff --git a/webapp/packages/core/src/app/AppScreen/AppScreenService.ts b/webapp/packages/core/src/app/AppScreen/AppScreenService.ts
index c51fe18354..2169015209 100644
--- a/webapp/packages/core/src/app/AppScreen/AppScreenService.ts
+++ b/webapp/packages/core/src/app/AppScreen/AppScreenService.ts
@@ -8,17 +8,25 @@
 
 import { injectable } from '@dbeaver/core/di';
 
+import { RouterService } from '../RouterService';
 import { ScreenService } from '../Screen/ScreenService';
 import { AppScreen } from './AppScreen';
 
 @injectable()
 export class AppScreenService {
 
+  static screenName = 'app'
+
   constructor(
-    private screenService: ScreenService
+    private screenService: ScreenService,
+    private routerService: RouterService,
   ) {}
 
+  navigateToRoot() {
+    this.routerService.router.navigate(AppScreenService.screenName);
+  }
+
   register() {
-    this.screenService.add({ name: 'app', path: '/', component: AppScreen });
+    this.screenService.create({ name: AppScreenService.screenName, path: '/', component: AppScreen });
   }
 }
diff --git a/webapp/packages/core/src/app/Body.tsx b/webapp/packages/core/src/app/Body.tsx
index 19a5167704..e016f6b8e5 100644
--- a/webapp/packages/core/src/app/Body.tsx
+++ b/webapp/packages/core/src/app/Body.tsx
@@ -10,8 +10,10 @@ import { observer } from 'mobx-react';
 import styled, { css } from 'reshadow';
 
 import { useService } from '@dbeaver/core/di';
+import { DialogsPortal } from '@dbeaver/core/dialogs';
 import { useStyles, useTheme } from '@dbeaver/core/theming';
 
+import { Notifications } from './Notifications/Notifications';
 import { ScreenService } from './Screen/ScreenService';
 
 const bodyStyles = css`
@@ -31,6 +33,8 @@ export const Body = observer(function Body() {
   return styled(useStyles(bodyStyles))(
     <container as="div">
       {Screen && <Screen />}
+      <DialogsPortal />
+      <Notifications />
     </container>
   );
 });
diff --git a/webapp/packages/core/src/app/Screen/ScreenService.ts b/webapp/packages/core/src/app/Screen/ScreenService.ts
index 998b0797ef..4b4b15827f 100644
--- a/webapp/packages/core/src/app/Screen/ScreenService.ts
+++ b/webapp/packages/core/src/app/Screen/ScreenService.ts
@@ -28,7 +28,7 @@ export class ScreenService {
     this.routerService.subscribe(this.onRouteChange.bind(this));
   }
 
-  add(screen: IScreen) {
+  create(screen: IScreen) {
     if (this.screens.has(screen.name)) {
       return;
     }
@@ -37,6 +37,14 @@ export class ScreenService {
     this.routerService.router.add({ name: screen.name, path: screen.path });
   }
 
+  isActive(name: string, strict = false): boolean {
+    if (strict) {
+      return this.screen?.name === name;
+    }
+
+    return this.screen?.name.startsWith(name) || false;
+  }
+
   buildUrl(screen: string) {
     return this.routerService.router.buildUrl(screen);
   }
diff --git a/webapp/packages/core/src/app/TopNavBar/Logo.tsx b/webapp/packages/core/src/app/TopNavBar/Logo.tsx
index 4439d512e3..5f5fe8208e 100644
--- a/webapp/packages/core/src/app/TopNavBar/Logo.tsx
+++ b/webapp/packages/core/src/app/TopNavBar/Logo.tsx
@@ -7,37 +7,20 @@
  */
 
 import { observer } from 'mobx-react';
-import styled, { css } from 'reshadow';
 
-import { Icon } from '@dbeaver/core/blocks';
+import { AppLogo } from '@dbeaver/core/blocks';
 import { useService } from '@dbeaver/core/di';
 import { ServerService } from '@dbeaver/core/root';
 
+import { AppScreenService } from '../AppScreen/AppScreenService';
+
 declare const version: string; // declared in webpack DefinePlugin // todo move to enviroment?
 
-const styles = css`
-  logo {
-    height: 100%;
-    display: flex;
-    align-items: center;
-    margin-right: 16px;
-    width: 250px;
-  }
-
-  Icon {
-    height: 24px;
-    width: auto;
-    margin-bottom: 2px;
-  }
-`;
-
 export const Logo = observer(function Logo() {
   const serverService = useService(ServerService);
+  const appScreenService = useService(AppScreenService);
+
   const title = `Frontend: ${version}\nBackend: ${serverService.config.data?.version}`;
 
-  return styled(styles)(
-    <logo as="div" title={title}>
-      <Icon name="logo" viewBox="0 0 361 73" />
-    </logo>
-  );
+  return <AppLogo title={title} onClick={() => appScreenService.navigateToRoot()}/>;
 });
diff --git a/webapp/packages/core/src/app/TopNavBar/TopNavBar.tsx b/webapp/packages/core/src/app/TopNavBar/TopNavBar.tsx
index f1ac6baa5f..207f59faca 100644
--- a/webapp/packages/core/src/app/TopNavBar/TopNavBar.tsx
+++ b/webapp/packages/core/src/app/TopNavBar/TopNavBar.tsx
@@ -6,21 +6,17 @@
  * you may not use this file except in compliance with the License.
  */
 
-import styled from 'reshadow';
-
-import { Placeholder } from '@dbeaver/core/blocks';
+import { Placeholder, TopAppBar } from '@dbeaver/core/blocks';
 import { useService } from '@dbeaver/core/di';
-import { useStyles } from '@dbeaver/core/theming';
 
 import { TopNavService } from './TopNavBarService';
-import { topNavBarStyles } from './topNavBarStyles';
 
 export function TopNavBar() {
   const topNavBarService = useService(TopNavService);
 
-  return styled(useStyles(topNavBarStyles))(
-    <header>
+  return (
+    <TopAppBar>
       <Placeholder container={topNavBarService.placeholder} />
-    </header>
+    </TopAppBar>
   );
 }
diff --git a/webapp/packages/core/src/app/index.ts b/webapp/packages/core/src/app/index.ts
index 5296588631..2c2c7e761f 100644
--- a/webapp/packages/core/src/app/index.ts
+++ b/webapp/packages/core/src/app/index.ts
@@ -44,6 +44,8 @@ export * from './shared/InlineEditor/InlineEditor';
 // components
 export * from './Body';
 export * from './Notifications/NotificationsItem/ErrorDetailsDialog/ErrorDetailsDialog';
+export * from './TopNavBar/SettingsMenu/SettingsMenu';
+export * from './TopNavBar/Logo';
 
 // Interfaces
 export * from './shared/Navigation/INavigator';
diff --git a/webapp/packages/core/src/blocks/Placeholder/PlaceholderContainer.ts b/webapp/packages/core/src/blocks/Placeholder/PlaceholderContainer.ts
index 52c589a657..cb3d48ebea 100644
--- a/webapp/packages/core/src/blocks/Placeholder/PlaceholderContainer.ts
+++ b/webapp/packages/core/src/blocks/Placeholder/PlaceholderContainer.ts
@@ -22,7 +22,7 @@ export type PlaceholderElement<T = unknown> = {
   order?: number;
 }
 
-export class PlaceholderContainer<T = unknown> {
+export class PlaceholderContainer<T = any> {
   private placeholders = observable<PlaceholderElement<T>>([], { deep: false });
 
   get() {
diff --git a/webapp/packages/core/src/blocks/index.ts b/webapp/packages/core/src/blocks/index.ts
index a688b5421a..dba7030142 100644
--- a/webapp/packages/core/src/blocks/index.ts
+++ b/webapp/packages/core/src/blocks/index.ts
@@ -1,22 +1,23 @@
-export * from './Icons';
-export * from './Split';
-export * from './StaticImage';
 export * from './ComplexLoader';
-export * from './Loader/Loader';
-export * from './StaticImage';
-export * from './Tabs';
-export * from './Button';
-export * from './Radio';
-export * from './InputField';
-export * from './ShadowInput';
-export * from './ErrorMessage';
-export * from './IconOrImage';
-export * from './TextPlaceholder';
-export * from './useClipboard';
-export * from './SubmittingForm';
-export * from './SanitizedHTML/SanitizedHTML';
+export * from './Icons';
 export * from './ItemList';
-export * from './PropertiesTable';
-export * from './IconButton';
+export * from './layout/AppLogo';
+export * from './layout/TopAppBar';
+export * from './Loader/Loader';
 export * from './Placeholder/Placeholder';
 export * from './Placeholder/PlaceholderContainer';
+export * from './PropertiesTable';
+export * from './SanitizedHTML/SanitizedHTML';
+export * from './Split';
+export * from './Tabs';
+export * from './Button';
+export * from './ErrorMessage';
+export * from './IconButton';
+export * from './IconOrImage';
+export * from './InputField';
+export * from './Radio';
+export * from './ShadowInput';
+export * from './StaticImage';
+export * from './SubmittingForm';
+export * from './TextPlaceholder';
+export * from './useClipboard';
diff --git a/webapp/packages/core/src/blocks/layout/AppLogo.tsx b/webapp/packages/core/src/blocks/layout/AppLogo.tsx
new file mode 100644
index 0000000000..4b074003e5
--- /dev/null
+++ b/webapp/packages/core/src/blocks/layout/AppLogo.tsx
@@ -0,0 +1,41 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import styled, { css } from 'reshadow';
+
+import { Icon } from '../Icons/Icon';
+
+const styles = css`
+  logo {
+    height: 100%;
+    display: flex;
+    align-items: center;
+    margin-right: 16px;
+    width: 250px;
+    cursor: pointer;
+  }
+
+  Icon {
+    height: 24px;
+    width: auto;
+    margin-bottom: 2px;
+  }
+`;
+
+type Props = {
+  title: string;
+  onClick?: () => void;
+}
+
+export function AppLogo({ title, onClick }: Props) {
+  return styled(styles)(
+    <logo as="div" title={title} onClick={onClick}>
+      <Icon name="logo" viewBox="0 0 361 73" />
+    </logo>
+  );
+}
diff --git a/webapp/packages/core/src/app/TopNavBar/topNavBarStyles.ts b/webapp/packages/core/src/blocks/layout/TopAppBar.tsx
similarity index 62%
rename from webapp/packages/core/src/app/TopNavBar/topNavBarStyles.ts
rename to webapp/packages/core/src/blocks/layout/TopAppBar.tsx
index 18aa0f60e8..1d28fa0bb0 100644
--- a/webapp/packages/core/src/app/TopNavBar/topNavBarStyles.ts
+++ b/webapp/packages/core/src/blocks/layout/TopAppBar.tsx
@@ -6,11 +6,11 @@
  * you may not use this file except in compliance with the License.
  */
 
-import { css } from 'reshadow';
+import styled, { css } from 'reshadow';
 
-import { composes } from '@dbeaver/core/theming';
+import { useStyles, composes } from '@dbeaver/core/theming';
 
-export const topNavBarStyles = composes(
+export const topAppBarStyles = composes(
   css`
     header {
       composes: theme-background-primary theme-text-on-primary from global;
@@ -27,3 +27,11 @@ export const topNavBarStyles = composes(
     }
   `
 );
+
+export function TopAppBar({ children }: React.PropsWithChildren<{}>) {
+  return styled(useStyles(topAppBarStyles))(
+    <header>
+      {children}
+    </header>
+  );
+}
diff --git a/webapp/packages/core/src/bootstrap.ts b/webapp/packages/core/src/bootstrap.ts
index 87e2a02fe6..1c824d7ad9 100644
--- a/webapp/packages/core/src/bootstrap.ts
+++ b/webapp/packages/core/src/bootstrap.ts
@@ -13,6 +13,7 @@ export async function bootstrap(plugins: PluginManifest[]) {
 
   try {
     await appBootstrap.init();
+    await app.initializeServices();
     await app.initializePlugins();
     await appBootstrap.doAfterPluginsInit();
     await app.load();
diff --git a/webapp/packages/core/src/di/App.ts b/webapp/packages/core/src/di/App.ts
index 3e2deee34a..95ced75684 100644
--- a/webapp/packages/core/src/di/App.ts
+++ b/webapp/packages/core/src/di/App.ts
@@ -6,6 +6,7 @@
  * you may not use this file except in compliance with the License.
  */
 
+import { Bootstrap } from './Bootstrap';
 import { DIContainer } from './DIContainer';
 import { RootContainerService } from './entities/RootContainerService';
 import { IServiceCollection, IServiceInjector } from './IApp';
@@ -55,6 +56,18 @@ export class App {
     }
   }
 
+  async initializeServices() {
+    for (const plugin of this.plugins) {
+      for (const service of plugin.providers) {
+        if (service.prototype instanceof Bootstrap) {
+          const serviceInstance = this.diWrapper.injector.getServiceByClass<Bootstrap>(service);
+
+          await serviceInstance.bootstrap();
+        }
+      }
+    }
+  }
+
   // second phase - run init scripts todo run it based on dependency tree
   async initializePlugins() {
     for (const plugin of this.plugins) {
diff --git a/webapp/packages/core/src/di/Bootstrap.ts b/webapp/packages/core/src/di/Bootstrap.ts
new file mode 100644
index 0000000000..6f7a37b6c2
--- /dev/null
+++ b/webapp/packages/core/src/di/Bootstrap.ts
@@ -0,0 +1,14 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { injectable } from './injectable';
+
+@injectable()
+export abstract class Bootstrap {
+  abstract bootstrap(): void | Promise<void>;
+}
diff --git a/webapp/packages/core/src/di/index.ts b/webapp/packages/core/src/di/index.ts
index e46b7ac9a6..af0b07fbd7 100644
--- a/webapp/packages/core/src/di/index.ts
+++ b/webapp/packages/core/src/di/index.ts
@@ -1,6 +1,7 @@
 export * from './IApp';
 export * from './App';
 export * from './AppContext';
+export * from './Bootstrap';
 export * from './injectable';
 export * from './PluginManifest';
 export * from './useService';
diff --git a/webapp/packages/core/src/theming/ThemeService.ts b/webapp/packages/core/src/theming/ThemeService.ts
index 130a01e0a7..b927dffba1 100644
--- a/webapp/packages/core/src/theming/ThemeService.ts
+++ b/webapp/packages/core/src/theming/ThemeService.ts
@@ -60,11 +60,11 @@ export class ThemeService {
 
   constructor(private notificationService: NotificationService,
               private settingsService: SettingsService) {
+    this.loadAllThemes();
   }
 
   async init() {
     this.settingsService.registerSettings(this.settings, THEME_SETTINGS_KEY);
-    await this.loadAllThemesAsync();
     await this.changeThemeAsync(this.currentThemeId);
   }
 
@@ -95,7 +95,7 @@ export class ThemeService {
     this.settings.currentThemeId = themeId;
   }
 
-  private async loadAllThemesAsync(): Promise<void> {
+  private loadAllThemes(): void {
     for (const theme of themes) {
       this.themeMap.set(theme.id, theme);
     }