Updated Homepage & Styling;

Corrected imports/config settings;

web_server/Dockerfile

@@ -11,7 +11,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY . .
 
 # Set environment variables
-ENV FLASK_APP=blueprints.__init__
+ENV FLASK_APP=backend.blueprints.__init__
 ENV FLASK_DEBUG=True
 
 # Expose Flask's port