diff --git a/npm/ng-packs/packages/core/src/lib/services/localization.service.ts b/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
index d87d28a938..b12b517156 100644
--- a/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
+++ b/npm/ng-packs/packages/core/src/lib/services/localization.service.ts
@@ -10,6 +10,9 @@ type ShouldReuseRoute = (future: ActivatedRouteSnapshot, curr: ActivatedRouteSna
 
 @Injectable({ providedIn: 'root' })
 export class LocalizationService {
+  /**
+   * Returns currently selected language
+   */
   get currentLang(): string {
     return this.store.selectSnapshot(state => state.SessionState.language);
   }
@@ -42,6 +45,11 @@ export class LocalizationService {
     });
   }
 
+  /**
+   * Returns an observable localized text with the given interpolation parameters in current language.
+   * @param key Localizaton key to replace with localized text
+   * @param interpolateParams Values to interpolate
+   */
   get(
     key: string | Config.LocalizationWithDefault,
     ...interpolateParams: string[]
@@ -49,6 +57,11 @@ export class LocalizationService {
     return this.store.select(ConfigState.getLocalization(key, ...interpolateParams));
   }
 
+  /**
+   * Returns localized text with the given interpolation parameters in current language.
+   * @param key Localization key to replace with localized text
+   * @param interpolateParams Values to intepolate.
+   */
   instant(key: string | Config.LocalizationWithDefault, ...interpolateParams: string[]): string {
     return this.store.selectSnapshot(ConfigState.getLocalization(key, ...interpolateParams));
   }
diff --git a/npm/ng-packs/packages/setting-management/src/lib/components/setting-management.component.html b/npm/ng-packs/packages/setting-management/src/lib/components/setting-management.component.html
index 8d5fd0e8d1..c54a581312 100644
--- a/npm/ng-packs/packages/setting-management/src/lib/components/setting-management.component.html
+++ b/npm/ng-packs/packages/setting-management/src/lib/components/setting-management.component.html
@@ -2,7 +2,7 @@
   <div class="col-auto">
     <h1 class="content-header-title">{{ 'AbpSettingManagement::Settings' | abpLocalization }}</h1>
   </div>
-  <div id="breadcrumb" class="col-md-auto pl-md-0">
+  <div id="breadcrumb" class="col-lg-auto pl-lg-0">
     <abp-breadcrumb></abp-breadcrumb>
   </div>
   <div class="col">
diff --git a/npm/ng-packs/packages/theme-basic/src/lib/components/application-layout/application-layout.component.html b/npm/ng-packs/packages/theme-basic/src/lib/components/application-layout/application-layout.component.html
index b5fef49cd0..8199e7d5b6 100644
--- a/npm/ng-packs/packages/theme-basic/src/lib/components/application-layout/application-layout.component.html
+++ b/npm/ng-packs/packages/theme-basic/src/lib/components/application-layout/application-layout.component.html
@@ -1,5 +1,5 @@
 <nav
-  class="navbar navbar-expand-md navbar-dark bg-dark shadow-sm flex-column flex-md-row mb-4"
+  class="navbar navbar-expand-lg navbar-dark bg-dark shadow-sm flex-column flex-md-row mb-4"
   id="main-navbar"
   style="min-height: 4rem;"
 >