diff --git "a/Icon\r" "b/Icon\r"
new file mode 100644
index 0000000..e69de29
diff --git a/lernplattform/classes.py b/lernplattform/classes.py
index ce0c17d..bde688a 100644
--- a/lernplattform/classes.py
+++ b/lernplattform/classes.py
@@ -1,6 +1,14 @@
-from flask import Flask, request, session
-from lernplattform import app
+from flask import Flask, request, session, make_response, redirect, url_for
+from werkzeug.security import generate_password_hash, check_password_hash
+from lernplattform import app, db
 from lernplattform.models import User
+import random
+import string
+
+def generate_random_string(length=8):
+    characters = string.ascii_letters + string.digits
+    random_string = ''.join(random.choice(characters) for _ in range(length))
+    return random_string
 
 class login():
     """
@@ -14,19 +22,61 @@ class login():
         check(user_name): A static method that checks if the provided user name is valid.
         login(self): Prints "Login" to indicate that the login method has been called.
     """
-    def __init__(self, user_name=None):
+    def __init__(self, user_name=None, login_data=None):
         self.user_name = user_name  # Initialize the user name attribute for the login class
 
-    def check(user_name):
-        if user_name is None:
+    def check_logged_in():
+        if request.cookies.get('username') is None:
             session['logged_in'] = False
-            session['user_name'] = 'Gast'
+            session['username'] = 'Gast'
             return False  # Return False if the user name is not provided
         else:
             session['logged_in'] = True
-            session['user_name'] = user_name
+            session['username'] = request.cookies.get('username')
+            session['userid'] = request.cookies.get('userid')
             
             return True  # Otherwise, return True indicating a valid user name
-        
-    def login(self):
-        print("Login")  # Print "Login" to indicate that the login method has been called
+
+    def login(login_data):
+         # get password from db
+            user = User.query.filter_by(username = login_data.get('username')).first()
+
+            if user and check_password_hash(user.password, login_data.get('password')):
+                if not user.email_check == "":
+                    return False
+
+                session['userid'] = user.id
+                session['username'] = user.username
+                session['logged_in'] = True
+
+                if login_data['remember'] == 'on':
+                    resp = make_response(redirect(url_for('index')))
+                    resp.set_cookie('userid', user.id)
+                    resp.set_cookie('username', user.username)
+
+                return True
+            else:
+                return False
+            
+    def logout():
+        resp = make_response(redirect(url_for('index')))
+        resp.set_cookie('username', '', expires=0)
+        resp.set_cookie('userid', '', expires=0)
+        session['logged_in'] = False
+
+        return resp
+
+    def register(request):
+        username = request.form.get('username')
+        email = request.form.get('email')
+        password = request.form.get('password')
+        hashed_password = generate_password_hash(password, method='pbkdf2:sha256')
+
+        if User.query.filter_by(username = username).first():
+            return False   # Return False if the user name is already in use
+        else:
+            random_string = generate_random_string()
+            user = User(username = username, email = email, password = hashed_password, email_check = random_string)
+            db.session.add(user)
+            db.session.commit()
+            return True
diff --git a/lernplattform/models.py b/lernplattform/models.py
index 7e5b684..48e7199 100644
--- a/lernplattform/models.py
+++ b/lernplattform/models.py
@@ -1,15 +1,28 @@
 from lernplattform import db
+from sqlalchemy.sql import func
 
 # Define a User model that represents the user table in the database
 class User(db.Model):
-    # Primary key column for the table, auto-incrementing integer
+    """
+    A class representing the user table in the database.
+    
+    Attributes:
+        id (int): The unique identifier for each user, set as the primary key.
+        username (str): The username of the user, must be unique and cannot be null.
+        email (str): The email address of the user, must be unique and cannot be null.
+        password (str): The hashed password of the user, cannot be null.
+        email_check (str): A string field to store email verification status.
+        register_date (datetime): The date and time when the user registered, defaults to the current timestamp.
+    
+    Methods:
+        __repr__(): Returns a string representation of the User object in the format "User('username', 'email')".
+    """
     id = db.Column(db.Integer, primary_key=True)
-    # Username column with a maximum length of 20 characters, unique and not nullable
     username = db.Column(db.String(20), unique=True, nullable=False)
-    # Email column with a maximum length of 120 characters, unique and not nullable
     email = db.Column(db.String(120), unique=True, nullable=False)
-    # Password column with a maximum length of 60 characters, not nullable
     password = db.Column(db.String(60), nullable=False)
+    email_check = db.Column(db.String(10), nullable=True)
+    register_date = db.Column(db.DateTime, nullable=False, default=func.now())
 
     # Magic method to represent the object as a string when printed or used in string context
     def __repr__(self):
diff --git a/lernplattform/routes.py b/lernplattform/routes.py
index a27c063..c5b10fd 100644
--- a/lernplattform/routes.py
+++ b/lernplattform/routes.py
@@ -16,38 +16,38 @@ def index():
     Returns:
         A rendered HTML template with the current username.
     """
-    login.check(request.cookies.get('user_name'))
+    login.check_logged_in()
 
     # Render the main page with the current username
-    return render_template('index.html', user_name=session['user_name'])
+    return render_template('index.html', page='index', user_name=session['username'])
 
-@app.route('/users', methods=['GET'])
-def get_users():
-    # Query all users from the database
-    users = User.query.all()
-    # Create a list of dictionaries with user information
-    user_list = [
-        {
-            "id": user.id,
-            "username": user.username,
-            "email": user.email,
-            "password": user.password
-        }
-        for user in users
-    ]
-    # Return the list of users as a JSON response
-    return jsonify(user_list)
-    #return user_list[0]['username']
 
-@app.route('/users', methods=['POST'])
-def create_user():
-    # Get the JSON data from the request body
-    data = request.get_json()
-    # Create a new User object with the provided username, email, and password
-    new_user = User(username=data['username'], email=data['email'], password=data['password'])
-    # Add the new user to the database session
-    db.session.add(new_user)
-    # Commit the transaction to save the new user in the database
-    db.session.commit()
-    # Return a success message with status code 201 (Created)
-    return jsonify({'message': 'User created'}), 201
\ No newline at end of file
+@app.route('/login', methods=['GET', 'POST'])
+def userlogin():
+    if request.method == 'POST':
+        #data = request.form
+        if request.form.get('form_id') == 'login':
+            if login.login(request.form):
+            # get username, password, remember from form
+                flash('Login erfolgreich!', 'login')
+                return redirect(url_for('index'))
+            else:
+                flash('Ungültiger Benutzername, Passwort oder Registrierung noch nicht bestätigt.', 'login')
+
+    # Render the main page with the current username
+    return render_template('index.html', page='index', user_name=session['username'])
+
+
+@app.route('/register', methods=['GET', 'POST'])
+def register():
+    if request.method == 'POST':
+        if login.register(request):
+            flash('''
+                Du erhältst in den nächsten Minuten eine eMail mit einem Bestätigungslink. 
+                Bitte klicke auf diesen Link, um deine Registrierung abzuschließen.
+                ''', 'register')
+        
+            return redirect(url_for('index'))
+
+
+    return render_template('index.html', page='register', user_name=session['username'])
diff --git a/lernplattform/static/javascript.js b/lernplattform/static/javascript.js
new file mode 100644
index 0000000..d6d34e8
--- /dev/null
+++ b/lernplattform/static/javascript.js
@@ -0,0 +1,20 @@
+function validateForm() {
+    var username = document.forms["loginForm"]["username"].value;
+    var password = document.forms["loginForm"]["password"].value;
+    if (username == "" || password == "") {
+        alert("Benutzername und Passwort müssen ausgefüllt werden.");
+        return false;
+    }
+    return true;
+}
+
+function checkPasswords() {
+    var password = document.forms["registerForm"]["password"].value;
+    var confirmPassword = document.forms["registerForm"]["password_repeat"].value;
+
+    if (password != confirmPassword) {
+        alert("Passwörter stimmen nicht überein.");
+        return false;
+    }
+    return true;
+}
\ No newline at end of file
diff --git a/lernplattform/static/style.css b/lernplattform/static/style.css
new file mode 100644
index 0000000..e263bec
--- /dev/null
+++ b/lernplattform/static/style.css
@@ -0,0 +1,103 @@
+:root {
+    --primary-color: #102037; /* Definieren Sie die primäre Farbe */
+    --secondary-color: #f78b47; /* Definieren Sie die sekundäre Farbe */
+    --link-default-color: #ffffff; /* Definieren Sie die Link-Hover-Farbe */
+    --link-hover-color: #ffcc00; /* Definieren Sie die Link-Hover-Farbe */
+    --link-active-color: #ffcc00; /* Definieren Sie die Link-Hover-Farbe */
+    --background-color: #d4c4c4; /* Definieren Sie die Hintergrundfarbe */
+    --nav-background-color: #102037; /* Definieren Sie die Hintergrundfarbe */
+    --box-background-color: #102037;
+}
+body {
+    color: #ffffff;
+    background-color: var(--background-color);
+}
+.light {
+    color: #cdcdcd;
+    font-weight: 400;
+    font-size: small;
+}
+.sidebar {
+    height: 100%;
+    position: sticky;
+    top: 0;
+    background-color: var(--background-color);
+}
+.main-content {
+    background-color: var(--background-color);
+}
+.profile-card,
+.story,
+.post,
+.who-to-follow,
+.news {
+    background-color: var(--box-background-color);
+    padding: 20px;
+    border-radius: 15px;
+    margin-bottom: 20px;
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
+}
+.headbar {
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
+}
+.profile-card img,
+.who-to-follow img {
+    width: 60px;
+    height: 60px;
+    object-fit: cover;
+    border-radius: 50%;
+}
+.story input {
+    border-radius: 30px;
+}
+.story button {
+    border-radius: 20px;
+}
+.post img {
+    width: 100%;
+    border-radius: 15px;
+    margin-top: 10px;
+}
+.who-to-follow button {
+    border-radius: 20px;
+}
+.navbar {
+    background-color: var(--nav-background-color);
+    padding: 0;
+}
+.navbar-nav .nav-link  {
+    color: var(--link-default-color)
+}
+
+.navbar-nav .nav-link:hover {
+    color: var(--link-hover-color);
+}
+
+.navbar-nav .nav-link.active {
+    color: var(--link-active-color);
+}
+
+a  {
+    color: #ffcc00;
+}
+a:hover {
+    color: #c07427;
+}
+
+.logo {
+    display:inline;
+    width: 50px;
+    margin: 0;
+    padding: 0;
+}
+
+.footer {
+    background-color: var(--nav-background-color);
+    padding: 0;
+    box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.3);
+}
+
+.errormsg {
+    color: red;
+    font-size: 15px;
+}
\ No newline at end of file
diff --git a/lernplattform/templates/block_content_index.html b/lernplattform/templates/block_content_index.html
new file mode 100644
index 0000000..e275e68
--- /dev/null
+++ b/lernplattform/templates/block_content_index.html
@@ -0,0 +1,48 @@
+
+                    <!-- Post a Story -->
+<!--
+                    <div class="story p-3">
+                        <div class="d-flex align-items-center">
+                            <img
+                                src="https://via.placeholder.com/50"
+                                class="rounded-circle me-3"
+                                alt="Profile Picture" />
+                            <input type="text" class="form-control" placeholder="Share your thoughts..." />
+                        </div>
+                        <div class="d-flex justify-content-around mt-3">
+                            <button class="btn btn-outline-primary">Photo</button>
+                            <button class="btn btn-outline-primary">Video</button>
+                            <button class="btn btn-outline-primary">Event</button>
+                            <button class="btn btn-outline-primary">Feeling/Activity</button>
+                        </div>
+                    </div>
+-->
+
+                    <!-- Posts -->
+                    <div class="post p-3">
+
+                        <div class="d-flex">
+                            <img
+                                src="../static/images/logo.png"
+                                class="rounded-circle me-3"
+                                style="width: 300px; height: 300px;"
+                                alt="Profile Picture" />
+                            <div class="my-3">
+                                <h6>Lernplattform für <br>Rettungs- und Notfallsanitäter</h6>
+                                <p class="light" style="text-align: justify;">
+                                    Willkommen auf unserer Lernplattform für Rettungssanitäter und Notfallsanitäter, 
+                                    basierend auf dem bewährten Kartensystem nach Leitner. 
+                                    Unsere Plattform bietet Dir die Möglichkeit, 
+                                    Deine Kenntnisse und Fähigkeiten effektiv zu vertiefen und zu erweitern. <br><br>
+                                    Bei Interesse bist Du herzlich eingeladen, an der Entwicklung von Fragen und Aufgaben mitzuwirken. 
+                                    Unsere Plattform ist und bleibt kostenlos, um alle Mitarbeiter im Rettungsdienst bestmöglich zu unterstützen.
+                                </p>
+                            </div>
+                        </div>
+
+                        <p class="mt-3">
+                            I'm thrilled to share that I've completed a graduate certificate course in project
+                            management with the president's honor roll.
+                        </p>
+                        <img src="https://via.placeholder.com/600x300" alt="Post Image" />
+                    </div>
\ No newline at end of file
diff --git a/lernplattform/templates/block_lernfelder.html b/lernplattform/templates/block_lernfelder.html
new file mode 100644
index 0000000..d895d3f
--- /dev/null
+++ b/lernplattform/templates/block_lernfelder.html
@@ -0,0 +1,39 @@
+<div class="who-to-follow p-3">
+    <h6>Lernfelder</h6>
+    <div class="d-flex align-items-center my-2">
+        <img
+            src="https://via.placeholder.com/50"
+            class="rounded-circle me-3"
+            alt="Profile Picture" />
+        <div>
+            <h6 class="mb-0">Anatomie</h6>
+            <small class="light">RettSan</small>
+        </div>
+        <button class="btn btn-outline-primary ms-auto">+</button>
+    </div>
+    <div class="d-flex align-items-center my-2">
+        <img
+            src="https://via.placeholder.com/50"
+            class="rounded-circle me-3"
+            alt="Profile Picture" />
+        <div>
+            <h6 class="mb-0">Medikamente</h6>
+            <small class="light">NotSan</small>
+        </div>
+        <button class="btn btn-outline-primary ms-auto">+</button>
+    </div>
+    <div class="d-flex align-items-center my-2">
+        <img
+            src="https://via.placeholder.com/50"
+            class="rounded-circle me-3"
+            alt="Profile Picture" />
+        <div>
+            <h6 class="mb-0">Herzkreislauf</h6>
+            <small class="light">RettSan</small>
+        </div>
+        <button class="btn btn-outline-primary ms-auto">+</button>
+    </div>
+    <div class="text-center mt-3">
+        <button class="btn btn-link">Mehr Lernfelder</button>
+    </div>
+</div>
\ No newline at end of file
diff --git a/lernplattform/templates/block_login.html b/lernplattform/templates/block_login.html
new file mode 100644
index 0000000..517ea7d
--- /dev/null
+++ b/lernplattform/templates/block_login.html
@@ -0,0 +1,54 @@
+<!-- wenn logged out -->
+{% if not session['logged_in'] %}
+<h5>{{ user_name }}</h5>
+<p>Login oder <a href="/register">Registrieren</a></p>
+<p class="light">Warum registrieren? Zum Schutz der Daten und dem Speichern deines Lernfortschrittes.</p>
+
+{% with messages = get_flashed_messages(with_categories=true) %}
+    {% if messages %}
+        {% for category, message in messages  %}
+            {%  if category == 'login'  %}
+                <p class="errormsg">{{message}}</p>
+            {% endif  %}
+        {% endfor %}
+    {% endif %}
+{% endwith %}
+
+<form name="loginForm" action="/login" method="post" onsubmit="return validateForm()">
+    <div class="row mb-3">
+    <label for="inputEmail3" class="col-sm-3 col-form-label">Benutzer</label>
+    <div class="col-sm-8">
+        <input type="text" class="form-control" id="username" name="username">
+    </div>
+    </div>
+    <div class="row mb-3">
+    <label for="inputPassword3" class="col-sm-3 col-form-label">Password</label>
+    <div class="col-sm-8">
+        <input type="password" class="form-control" id="password" name="password">
+    </div>
+    </div>
+    <div class="row mb-3">
+        <div class="col-sm-8 offset-2">
+            <input type="checkbox" name="remember" id="remember">
+            <label for="remember">Eingeloggt bleiben</label>
+        </div>
+    </div>
+    <input type="hidden" name="form_id" value="login">
+    <button type="submit" class="btn btn-primary">Einloggen</button>
+</form>
+{% endif %}
+<!-- wenn logged out -->
+
+<!-- wenn logged in -->
+{% if session['logged_in'] %}
+<!--<img src="https://via.placeholder.com/100" alt="Profile Picture" />-->
+<h5>{{ user_name }}</h5>
+<p>Web Developer at Webestica</p>
+<p class="light">I'd love to change the world, but they won’t give me the source code.</p>
+<div class="d-flex justify-content-around">
+    <span>256 Posts</span>
+    <span>2.5K Followers</span>
+    <span>365 Following</span>
+</div>
+{% endif %}
+<!-- wenn logged in -->
\ No newline at end of file
diff --git a/lernplattform/templates/block_register.html b/lernplattform/templates/block_register.html
new file mode 100644
index 0000000..d60bfbb
--- /dev/null
+++ b/lernplattform/templates/block_register.html
@@ -0,0 +1,28 @@
+<div class="story p-3 shadow-sm">
+    <div>
+        <h5>Registrierung</h5>
+        <p>Registriere dich, um die Plattform zu nutzen. Deine Daten werden nicht an Dritte weitergegeben oder anderweitig anderweitig
+        verarbeitet. Die dienen lediglich zur Authentifizierung und Speicherung deines Lernfortschrittes.</p>
+    </div>
+    <form name="registerForm" method="post" onsubmit="return checkPasswords()">
+    <div>
+        <div class="row">
+            <div class="col py-3">
+                Benutzername: <input type="text" name="username" class="form-control" placeholder="Benutzername" tabindex="1" required />
+                <br>
+                Passwort: <input type="password" id="password" name="password" class="form-control" placeholder="Passwort" tabindex="3" required />
+            </div>
+            <div class="col py-3">
+                EMail: <input type="email" name="email" class="form-control" placeholder="EMail" tabindex="2" required />
+                <br>
+                Passwort wiederholen: <input type="password" id="password_repeat" name="password_repeat" class="form-control" tabindex="4" placeholder="Passwort wiederholen" required />
+            </div>
+        </div>
+    </div>
+        
+        
+    <div class="d-flex justify-content-around mt-3">
+        <button type="submit" class="btn btn-outline-primary">Registrieren</button>
+    </div>
+    </form>
+</div>
\ No newline at end of file
diff --git a/lernplattform/templates/index.html b/lernplattform/templates/index.html
index 607e547..ab1bf3a 100644
--- a/lernplattform/templates/index.html
+++ b/lernplattform/templates/index.html
@@ -5,106 +5,8 @@
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />
         <title>Lernplattform EMT/Paramedic</title>
         <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet" />
-        <style>
-            :root {
-                --primary-color: #102037; /* Definieren Sie die primäre Farbe */
-                --secondary-color: #f78b47; /* Definieren Sie die sekundäre Farbe */
-                --link-default-color: #ffffff; /* Definieren Sie die Link-Hover-Farbe */
-                --link-hover-color: #ffcc00; /* Definieren Sie die Link-Hover-Farbe */
-                --link-active-color: #ffcc00; /* Definieren Sie die Link-Hover-Farbe */
-                --background-color: #d4c4c4; /* Definieren Sie die Hintergrundfarbe */
-                --nav-background-color: #102037; /* Definieren Sie die Hintergrundfarbe */
-                --box-background-color: #102037;
-            }
-            body {
-                color: #ffffff;
-                background-color: var(--background-color);
-            }
-            .light {
-                color: #cdcdcd;
-                font-weight: 400;
-                font-size: small;
-            }
-            .sidebar {
-                height: 100%;
-                position: sticky;
-                top: 0;
-                background-color: var(--background-color);
-            }
-            .main-content {
-                background-color: var(--background-color);
-            }
-            .profile-card,
-            .story,
-            .post,
-            .who-to-follow,
-            .news {
-                background-color: var(--box-background-color);
-                padding: 20px;
-                border-radius: 15px;
-                margin-bottom: 20px;
-                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
-            }
-            .headbar {
-                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
-            }
-            .profile-card img,
-            .who-to-follow img {
-                width: 60px;
-                height: 60px;
-                object-fit: cover;
-                border-radius: 50%;
-            }
-            .story input {
-                border-radius: 30px;
-            }
-            .story button {
-                border-radius: 20px;
-            }
-            .post img {
-                width: 100%;
-                border-radius: 15px;
-                margin-top: 10px;
-            }
-            .who-to-follow button {
-                border-radius: 20px;
-            }
-            .navbar {
-                background-color: var(--nav-background-color);
-                padding: 0;
-            }
-            .navbar-nav .nav-link  {
-                color: var(--link-default-color)
-            }
-
-            .navbar-nav .nav-link:hover {
-                color: var(--link-hover-color);
-            }
-
-            .navbar-nav .nav-link.active {
-                color: var(--link-active-color);
-            }
-
-            a  {
-                color: #ffcc00;
-            }
-            a:hover {
-                color: #c07427;
-            }
-
-            .logo {
-                display:inline;
-                width: 50px;
-                margin: 0;
-                padding: 0;
-            }
-            
-            .footer {
-                background-color: var(--nav-background-color);
-                padding: 0;
-                box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.3);
-            }
-        </style>
+        <link href="../static/style.css" rel="stylesheet"/>
+        <script src="../static/javascript.js"></script>
     </head>
     <body>
 
@@ -116,44 +18,7 @@
                 <div class="col-12 col-md-3 sidebar mb-3">
                     <div class="profile-card text-center p-3">
 
-<!-- wenn logged out -->
-                        {% if not session['logged_in'] %}
-                        <h5>{{ user_name }}</h5>
-                        <p>Login oder <a href="#">Registrieren</a></p>
-                        <p class="light">Warum registrieren? Zum Schutz der Daten und dem Speichern deines Lernfortschrittes.</p>
-                        
-                        <form>
-                            <div class="row mb-3">
-                              <label for="inputEmail3" class="col-sm-3 col-form-label">Benutzer</label>
-                              <div class="col-sm-8">
-                                <input type="email" class="form-control" id="inputEmail3">
-                              </div>
-                            </div>
-                            <div class="row mb-3">
-                              <label for="inputPassword3" class="col-sm-3 col-form-label">Password</label>
-                              <div class="col-sm-8">
-                                <input type="password" class="form-control" id="inputPassword3">
-                              </div>
-                            </div>
-
-                            <button type="submit" class="btn btn-primary">Einloggen</button>
-                          </form>
-                          {% endif %}
-<!-- wenn logged out -->
-
-<!-- wenn logged in -->
-                        {% if session['logged_in'] %}
-                        <!--<img src="https://via.placeholder.com/100" alt="Profile Picture" />-->
-                        <h5>{{ user_name }}</h5>
-                        <p>Web Developer at Webestica</p>
-                        <p class="light">I'd love to change the world, but they won’t give me the source code.</p>
-                        <div class="d-flex justify-content-around">
-                            <span>256 Posts</span>
-                            <span>2.5K Followers</span>
-                            <span>365 Following</span>
-                        </div>
-                        {% endif %}
-<!-- wenn logged in -->
+                        {% include 'block_login.html' %}
 
                     </div>
 <!--
@@ -172,97 +37,18 @@
                 <!-- Main Content -->
                 <div class="col-12 col-md-6 main-content mb-3">
 
-                    <!-- Post a Story -->
-<!--
-                    <div class="story p-3">
-                        <div class="d-flex align-items-center">
-                            <img
-                                src="https://via.placeholder.com/50"
-                                class="rounded-circle me-3"
-                                alt="Profile Picture" />
-                            <input type="text" class="form-control" placeholder="Share your thoughts..." />
-                        </div>
-                        <div class="d-flex justify-content-around mt-3">
-                            <button class="btn btn-outline-primary">Photo</button>
-                            <button class="btn btn-outline-primary">Video</button>
-                            <button class="btn btn-outline-primary">Event</button>
-                            <button class="btn btn-outline-primary">Feeling/Activity</button>
-                        </div>
-                    </div>
--->
+                    {% if not page or page == '' or page == 'index' %}
+                        {% include 'block_content_index.html' %}
+                    {% elif page == 'register' %}
+                        {% include 'block_register.html'  %}
+                    {% endif %}
 
-                    <!-- Posts -->
-                    <div class="post p-3">
-
-                        <div class="d-flex">
-                            <img
-                                src="../static/images/logo.png"
-                                class="rounded-circle me-3"
-                                style="width: 300px; height: 300px;"
-                                alt="Profile Picture" />
-                            <div class="my-3">
-                                <h6>Lernplattform für <br>Rettungs- und Notfallsanitäter</h6>
-                                <p class="light" style="text-align: justify;">
-                                    Willkommen auf unserer Lernplattform für Rettungssanitäter und Notfallsanitäter, 
-                                    basierend auf dem bewährten Kartensystem nach Leitner. 
-                                    Unsere Plattform bietet Dir die Möglichkeit, 
-                                    Deine Kenntnisse und Fähigkeiten effektiv zu vertiefen und zu erweitern. <br><br>
-                                    Bei Interesse bist Du herzlich eingeladen, an der Entwicklung von Fragen und Aufgaben mitzuwirken. 
-                                    Unsere Plattform ist und bleibt kostenlos, um alle Mitarbeiter im Rettungsdienst bestmöglich zu unterstützen.
-                                </p>
-                            </div>
-                        </div>
-
-                        <p class="mt-3">
-                            I'm thrilled to share that I've completed a graduate certificate course in project
-                            management with the president's honor roll.
-                        </p>
-                        <img src="https://via.placeholder.com/600x300" alt="Post Image" />
-                    </div>
                 </div>
 
                 <!-- Right Sidebar -->
                 <div class="col-12 col-md-3 mb-3">
                     <!-- Who to Follow -->
-                    <div class="who-to-follow p-3">
-                        <h6>Lernfelder</h6>
-                        <div class="d-flex align-items-center my-2">
-                            <img
-                                src="https://via.placeholder.com/50"
-                                class="rounded-circle me-3"
-                                alt="Profile Picture" />
-                            <div>
-                                <h6 class="mb-0">Anatomie</h6>
-                                <small class="light">RettSan</small>
-                            </div>
-                            <button class="btn btn-outline-primary ms-auto">+</button>
-                        </div>
-                        <div class="d-flex align-items-center my-2">
-                            <img
-                                src="https://via.placeholder.com/50"
-                                class="rounded-circle me-3"
-                                alt="Profile Picture" />
-                            <div>
-                                <h6 class="mb-0">Medikamente</h6>
-                                <small class="light">NotSan</small>
-                            </div>
-                            <button class="btn btn-outline-primary ms-auto">+</button>
-                        </div>
-                        <div class="d-flex align-items-center my-2">
-                            <img
-                                src="https://via.placeholder.com/50"
-                                class="rounded-circle me-3"
-                                alt="Profile Picture" />
-                            <div>
-                                <h6 class="mb-0">Herzkreislauf</h6>
-                                <small class="light">RettSan</small>
-                            </div>
-                            <button class="btn btn-outline-primary ms-auto">+</button>
-                        </div>
-                        <div class="text-center mt-3">
-                            <button class="btn btn-link">Mehr Lernfelder</button>
-                        </div>
-                    </div>
+                    {% include 'block_lernfelder.html' %}
 
                     <!-- Today's News -->
                     <div class="news p-3">