diff --git a/backend/src/app.py b/backend/src/app.py
index 6e76a6c..c0d9f3b 100644
--- a/backend/src/app.py
+++ b/backend/src/app.py
@@ -75,10 +75,10 @@ with app.app_context():
     db.create_all()
     if db.session.query(User).filter_by(username='Yasoob').count() < 1:
         db.session.add(User(
-          username='Yasoob',
-          password=guard.hash_password('strongpassword'),
-          roles='admin'
-            ))
+            username='Yasoob',
+            password=guard.hash_password('strongpassword'),
+            roles='admin'
+        ))
     db.session.commit()
 
 
@@ -87,7 +87,7 @@ with app.app_context():
 def home():
     return {"Hello": "World"}, 200
 
-  
+
 @app.route('/api/login', methods=['POST'])
 def login():
     """
@@ -104,7 +104,7 @@ def login():
     ret = {'access_token': guard.encode_jwt_token(user)}
     return ret, 200
 
-  
+
 @app.route('/api/refresh', methods=['POST'])
 def refresh():
     """
@@ -119,8 +119,8 @@ def refresh():
     new_token = guard.refresh_jwt_token(old_token)
     ret = {'access_token': new_token}
     return ret, 200
-  
-  
+
+
 @app.route('/api/protected')
 @flask_praetorian.auth_required
 def protected():
@@ -133,7 +133,8 @@ def protected():
     """
     return {'message': f'protected endpoint (allowed user {flask_praetorian.current_user().username})'}
 
-@app.route('/api/register', methods=['POST']) 
+
+@app.route('/api/register', methods=['POST'])
 def register():
     req = flask.request.get_json(force=True)
     username = req.get('username', None)
diff --git a/frontend/src/components/Navbar.js b/frontend/src/components/Navbar.js
index a9e079b..3ef9e5e 100644
--- a/frontend/src/components/Navbar.js
+++ b/frontend/src/components/Navbar.js
@@ -19,28 +19,25 @@ function Navbar() {
     }
   };
 
+  const isLoggedIn = useAuth();
+
   /* Shows the button after resizing the screen */
   useEffect(() => {
     showButton();
   }, []);
   window.addEventListener("resize", showButton);
+
   return (
     <>
-      {" "}
       <nav className="navbar">
-        {" "}
         <div className="navbar-container">
-          {" "}
           <Link to="/" className="navbar-logo" onClick={closeMobileMenu}>
-            {" "}
             Bachelorarbeit Marco Camenzind{" "}
-          </Link>{" "}
+          </Link>
           <div className="menu-icon" onClick={handleClick}>
-            {" "}
-            <i className={click ? "fas fa-times" : "fas fa-bars"} />{" "}
-          </div>{" "}
+            <i className={click ? "fas fa-times" : "fas fa-bars"} />
+          </div>
           <ul className={click ? "nav-menu active" : "nav-menu"}>
-            {" "}
             <li className="nav-item">
               <Link to="/" className="nav-links" onClick={closeMobileMenu}>
                 Startseite