diff --git a/portfolio/templates/layout.html b/portfolio/templates/layout.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='styles.css') }}">
+ <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+ <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" crossorigin="anonymous">
+ <title>Tech Portfolio - {% block title %}{% endblock %}</title>
+</head>
+<body>
+ <header>
+ <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+ <div class="container">
+ <a class="navbar-brand" href="#">Ariel Lau's Portfolio</a>
+ <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+ <span class="navbar-toggler-icon"></span>
+ </button>
+ <div class="collapse navbar-collapse" id="navbarNav">
+ <ul class="navbar-nav ml-auto">
+ <li class="nav-item">
+ <a class="nav-link" href="/home">Home</a>
+ </li>
+ <li class="nav-item">
+ <a class="nav-link" href="/about">Projects</a>
+ </li>
+ <li class="nav-item">
+ <a class="nav-link" href="/comment">Comment</a>
+ </li>
+ </ul>
+ </div>
+ </div>
+ </nav>
+ </header>
+ <div class="container mt-5">
+ <div class="row">
+ <div class="col-12">
+ {% with messages = get_flashed_messages() %}
+ {% if messages %}
+ <div class="alert alert-danger" role="alert">
+ {% for message in messages %}
+ {{ message }}
+ {% endfor %}
+ </div>
+ {% endif %}
+ {% endwith %}
+ </div>
+ </div>
+ <div class="row">
+ <div class="col-12">
+ {% block content %}
+ {% endblock %}
+ </div>
+ </div>
+ </div>
+ <footer class="bg-dark py-3">
+ <div class="container">
+ <p class="text-white text-center">Copyright 2023 Ariel Ying Tung Lau @ Cardiff University</p>
+ <p class="text-white text-center">Reference: Ch, A. (2018). Light Bulb on White Panel. [jpg] Available at: https://www.pexels.com/photo/light-bulb-on-white-panel-1166643/ [Accessed 23 Jan. 2023].</p>
+ </div>
+ </footer>
+</body>
+</html>