diff --git a/src/app/debugger/debugger.component.ts b/src/app/debugger/debugger.component.ts
index 7b84841a..6b08ea6b 100644
--- a/src/app/debugger/debugger.component.ts
+++ b/src/app/debugger/debugger.component.ts
@@ -7,9 +7,9 @@ import {ConfigService} from '../config.service';
     styleUrls: ['./debugger.component.scss']
 })
 export class DebuggerComponent implements OnInit {
-    private formIsValid = true;
+    formIsValid = true;
 
-    constructor(private config: ConfigService) {
+    constructor(public config: ConfigService) {
     }
 
     ngOnInit() {
diff --git a/src/app/form-container/form-container.component.ts b/src/app/form-container/form-container.component.ts
index 8ce3d487..4767ddf0 100644
--- a/src/app/form-container/form-container.component.ts
+++ b/src/app/form-container/form-container.component.ts
@@ -14,10 +14,7 @@ import {ConfigService} from '../config.service';
  */
 export class FormContainerComponent implements OnInit {
 
-    private progressionStep = 0;
-
-
-    constructor(private config: ConfigService) {
+    constructor(public config: ConfigService) {
 
     }
 
diff --git a/src/app/pages/answers/answers.component.ts b/src/app/pages/answers/answers.component.ts
index 97071057..48116555 100644
--- a/src/app/pages/answers/answers.component.ts
+++ b/src/app/pages/answers/answers.component.ts
@@ -13,7 +13,7 @@ export class AnswersComponent extends BaseComponent implements OnInit {
 
     private answerList = [];
 
-    constructor(config: ConfigService,
+    constructor(public config: ConfigService,
                 @Inject(DOCUMENT) private document: any,
                 private cd: ChangeDetectorRef) {
         super(config);
diff --git a/src/app/pages/base-page/base.component.ts b/src/app/pages/base-page/base.component.ts
index 32f97e97..660f90b9 100644
--- a/src/app/pages/base-page/base.component.ts
+++ b/src/app/pages/base-page/base.component.ts
@@ -11,14 +11,13 @@ import {ConfigService} from '../../config.service';
  */
 export class BaseComponent implements OnInit {
 
-    constructor(protected config: ConfigService) {
+    constructor(config: ConfigService) {
     }
 
     ngOnInit() {
     }
 
 
-
     checkValidity() {
         // TODO with form controls
         return true;
diff --git a/src/app/pages/dates/dates.component.ts b/src/app/pages/dates/dates.component.ts
index b7b177a7..51fa4305 100644
--- a/src/app/pages/dates/dates.component.ts
+++ b/src/app/pages/dates/dates.component.ts
@@ -9,7 +9,7 @@ import {BaseComponent} from '../base-page/base.component';
 })
 export class DatesComponent extends BaseComponent implements OnInit {
 
-    constructor(config: ConfigService) {
+    constructor(public config: ConfigService) {
         super(config);
     }
 
diff --git a/src/app/pages/kind/kind.component.ts b/src/app/pages/kind/kind.component.ts
index 733cdca3..2724c701 100644
--- a/src/app/pages/kind/kind.component.ts
+++ b/src/app/pages/kind/kind.component.ts
@@ -9,7 +9,7 @@ import {ConfigService} from '../../config.service';
 })
 export class KindComponent extends BaseComponent implements OnInit {
 
-    constructor(config: ConfigService) {
+    constructor(public config: ConfigService) {
         super(config);
     }
 
diff --git a/src/app/pages/pictures/pictures.component.ts b/src/app/pages/pictures/pictures.component.ts
index aa4d8603..624e95a2 100644
--- a/src/app/pages/pictures/pictures.component.ts
+++ b/src/app/pages/pictures/pictures.component.ts
@@ -9,7 +9,7 @@ import {BaseComponent} from '../base-page/base.component';
 })
 export class PicturesComponent extends BaseComponent implements OnInit {
 
-    constructor(config: ConfigService) {
+    constructor(public config: ConfigService) {
         super(config);
     }
 
diff --git a/src/app/pages/resume/resume.component.ts b/src/app/pages/resume/resume.component.ts
index b76f231d..027fe685 100644
--- a/src/app/pages/resume/resume.component.ts
+++ b/src/app/pages/resume/resume.component.ts
@@ -9,7 +9,7 @@ import {ConfigService} from '../../config.service';
 })
 export class ResumeComponent extends BaseComponent implements OnInit {
 
-    constructor(config: ConfigService) {
+    constructor(public config: ConfigService) {
         super(config);
     }
 
diff --git a/src/app/pages/visibility/visibility.component.ts b/src/app/pages/visibility/visibility.component.ts
index 8129ba25..ab66c675 100644
--- a/src/app/pages/visibility/visibility.component.ts
+++ b/src/app/pages/visibility/visibility.component.ts
@@ -1,19 +1,19 @@
-import { Component, OnInit } from '@angular/core';
+import {Component, OnInit} from '@angular/core';
 import {BaseComponent} from '../base-page/base.component';
 import {ConfigService} from '../../config.service';
 
 @Component({
-  selector: 'framadate-visibility',
-  templateUrl: './visibility.component.html',
-  styleUrls: ['./visibility.component.scss']
+    selector: 'framadate-visibility',
+    templateUrl: './visibility.component.html',
+    styleUrls: ['./visibility.component.scss']
 })
 export class VisibilityComponent extends BaseComponent implements OnInit {
 
-  constructor(config: ConfigService) {
-    super(config);
-  }
+    constructor(public config: ConfigService) {
+        super(config);
+    }
 
-  ngOnInit() {
-  }
+    ngOnInit() {
+    }
 
 }
diff --git a/src/app/ui/navigation/navigation.component.ts b/src/app/ui/navigation/navigation.component.ts
index 46501235..52bd53d7 100644
--- a/src/app/ui/navigation/navigation.component.ts
+++ b/src/app/ui/navigation/navigation.component.ts
@@ -9,7 +9,7 @@ import {ConfigService} from '../../config.service';
 })
 export class NavigationComponent extends BaseComponent implements OnInit {
 
-    constructor(config: ConfigService) {
+    constructor(public config: ConfigService) {
         super(config);
     }
 
diff --git a/tsconfig.json b/tsconfig.json
index 30956ae7..ee5edf6d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,7 +10,7 @@
     "module": "esnext",
     "moduleResolution": "node",
     "importHelpers": true,
-    "target": "es2015",
+    "target": "es2018",
     "typeRoots": [
       "node_modules/@types"
     ],