Add publication edition form.

frontend/src/app/components/header/header.component.html

@@ -17,10 +17,10 @@
 </div>
 <div>
     <ng-container *ngIf="isAuthenticated; else anonymousRightMenu">
-        <a [routerLink]="['/disconnect']" matRipple>Disconnect</a>
+        <a [routerLink]="['/disconnect']" class="button" matRipple>Disconnect</a>
     </ng-container>
     <ng-template #anonymousRightMenu>
-        <a [routerLink]="['/login']" matRipple>Login</a>
+        <a [routerLink]="['/login']" class="button" matRipple>Login</a>
     </ng-template>
 </div>
 <app-side-menu #sideMenu></app-side-menu>