diff --git a/connect/communityGuard/connectCommunityGuard.guard.ts b/connect/communityGuard/connectCommunityGuard.guard.ts
index 256bfdb9..2e719392 100644
--- a/connect/communityGuard/connectCommunityGuard.guard.ts
+++ b/connect/communityGuard/connectCommunityGuard.guard.ts
@@ -22,7 +22,7 @@ export class ConnectCommunityGuard implements CanActivate, CanActivateChild {
   check(community: string, url: string): Observable<boolean> | boolean {
     return this.communityService.isCommunityType(community).pipe(take(1), tap(isCommunity => {
       if (!isCommunity) {
-        this.router.navigate([this.properties.errorLink], {queryParams: {'page': url}});
+        this.router.navigate([properties.errorLink], {queryParams: {'page': url}});
       }
     }));
   }
diff --git a/connect/communityGuard/connectRIGuard.guard.ts b/connect/communityGuard/connectRIGuard.guard.ts
index 5dd1698e..00b6804a 100644
--- a/connect/communityGuard/connectRIGuard.guard.ts
+++ b/connect/communityGuard/connectRIGuard.guard.ts
@@ -10,6 +10,7 @@ import {
 } from '@angular/router';
 import {Observable, Subscription} from 'rxjs';
 import {CommunityService} from '../community/community.service';
+import {properties} from "../../../../environments/environment";
 
 @Injectable()
 export class ConnectRIGuard implements CanActivate, CanActivateChild {
@@ -22,7 +23,7 @@ export class ConnectRIGuard implements CanActivate, CanActivateChild {
   check(community: string, url: string): Observable<boolean> | boolean {
     return this.communityService.isRIType(community).pipe(tap(authorized => {
       if (!authorized) {
-        this.router.navigate([this.properties.errorLink], {queryParams: {'page': url}});
+        this.router.navigate([properties.errorLink], {queryParams: {'page': url}});
       }
     }));
   }
diff --git a/dashboard/sharedComponents/sidebar/sideBar.component.html b/dashboard/sharedComponents/sidebar/sideBar.component.html
index 3074db2b..effe727c 100644
--- a/dashboard/sharedComponents/sidebar/sideBar.component.html
+++ b/dashboard/sharedComponents/sidebar/sideBar.component.html
@@ -23,7 +23,7 @@
     </div>
     <ng-template [ngIf]="specialMenuItem">
       <div class="menu_section uk-margin-large-top">
-        <ul class="uk-list uk-nav-parent-icon uk-nav" uk-nav>
+        <ul class="uk-list uk-nav uk-nav-default" uk-nav>
           <li [class.uk-active]="isTheActiveUrl(specialMenuItem.route)">
             <a [routerLink]="specialMenuItem.route" [queryParams]="specialMenuItem.params"
                [queryParamsHandling]="queryParamsHandling">
diff --git a/utils/authors/showAuthors.component.ts b/utils/authors/showAuthors.component.ts
index 97d20d64..b31ea38e 100644
--- a/utils/authors/showAuthors.component.ts
+++ b/utils/authors/showAuthors.component.ts
@@ -1,6 +1,5 @@
-import {Component, EventEmitter, Inject, Input, Output, PLATFORM_ID, ViewChild} from '@angular/core';
+import {Component, Inject, Input, PLATFORM_ID, ViewChild} from '@angular/core';
 import {ActivatedRoute} from "@angular/router";
-import {HelperFunctions} from '../HelperFunctions.class';
 import {RouterHelper} from "../routerHelper.class";
 import {EnvProperties} from '../properties/env-properties';
 import {isPlatformBrowser} from "@angular/common";
@@ -61,7 +60,7 @@ import {properties} from "../../../../environments/environment";
             {{author.fullName}} in OpenAIRE
           </div>
           <div class="uk-text-center uk-margin-top uk-margin-large-left uk-margin-large-right">
-            <a class="uk-button uk-button-primary uk-box-no-shadow uk-text-bold uk-padding-remove-top uk-padding-remove-bottom"
+            <a class="uk-button uk-button-primary uk-text-bold uk-padding-remove-top uk-padding-remove-bottom"
                (click)="onClick()"
                [queryParams]="routerHelper.createQueryParams(['orcid','oc'],[(author['orcid'] ? author['orcid'] : author['orcid_pending']),'and'])"
                routerLinkActive="router-link-active" [routerLink]="properties.searchLinkToAdvancedResults">