Html – Chrome compatibility with bootstrap vs edge

Add fixed-top to your <nav

<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">

Wrap your <section>s in <main> tag

<main>
        <!-- Instagram Section -->
        <section id="instagram" class="container d-flex flex-column align-items-center">
            <div class="row" id="instagram-container">
                <!-- Posts will be loaded here by JavaScript -->
            </div>
            <!-- Facebook -->
            <a style="color: #3b5998;" href="https://www.facebook.com/AyresTraditionalPlastering/" role="button"><i
                    class="fab fa-facebook-f fa-lg"></i></a>
            <!-- Instagram -->
            <a style="color: #ac2bac;" href="https://www.instagram.com/ayresplastering/" role="button"><i
                    class="fab fa-instagram fa-lg"></i></a>
        </section>

        <!-- Traditional Plastering Section -->
        <section id="traditional" class="container">
            <h2>Traditional Plastering</h2>
            <p>Our traditional plastering services include a variety of time-honored techniques and materials. We
                specialize
                in lime work, heritage work, wattle and daub, as well as clay and earth plastering. Our skilled team
                combines craftsmanship and attention to detail, ensuring the preservation of historical buildings and
                the
                creation of stunning finishes in modern properties.</p>
            <!-- Add images or a gallery showcasing your traditional plastering work -->
        </section>
        <!-- Fibrous Plastering Section -->
        <section id="fibrous" class="container">
            <h2>Fibrous Plastering</h2>
            <p>Fibrous plastering is a technique that involves the use of plaster reinforced with materials such as
                hessian
                and timber laths. This approach allows for the creation of intricate decorative elements, such as
                cornices,
                ceiling roses, and ornamental moldings. Our expert plasterers can craft bespoke designs that add a touch
                of
                elegance and sophistication to any space, whether it's a grand entrance or a cozy living room.</p>
            <!-- Add images or a gallery showcasing your fibrous plastering work -->
        </section>

        <!-- Rendering Section -->
        <section id="rendering" class="container">
            <h2>Rendering</h2>
            <p>We offer a comprehensive range of rendering services, including monocouche, lime, sand and cement, and
                thin
                coat render systems. Our team is skilled in creating various finishes, such as ashlar, quoins, alpine,
                bagged, plain faced, and pitted finishes. Whether you're looking to improve the appearance of your
                property's exterior, enhance its durability, or increase its energy efficiency, our rendering solutions
                cater to your needs and preferences.</p>
            <!-- Add images or a gallery showcasing your rendering work -->
        </section>
        <!-- Modern Plastering Section -->
        <section id="modern" class="container">
            <h2>Modern Plastering</h2>
            <p>Modern plastering techniques have evolved to meet the demands of today's construction industry. Our
                services
                include float and set, dot and dab, patching and repairing, and reskimming. We use high-quality
                materials
                and state-of-the-art tools to deliver smooth, even surfaces that are ready for painting or wallpapering.
                Whether it's a new build or a renovation project, our modern plastering solutions ensure a professional
                finish and lasting results.</p>
            <!-- Add images or a gallery showcasing your modern plastering work -->
        </section>

        <!-- Floor Screeding Section -->
        <section id="screeding" class="container">
            <h2>Floor Screeding</h2>
            <p>Floor screeding is essential for creating level, durable, and thermally efficient flooring. We offer a
                variety of screeding solutions, including lime, earth, and sand and cement screeds, suitable for both
                residential and commercial properties. Our experienced team works closely with clients to choose the
                most
                appropriate materials and techniques, ensuring a strong foundation for your flooring and a comfortable,
                energy-efficient environment.</p>
            <!-- Add images or a gallery showcasing your floor screeding work -->
        </section>

    </main>

That’s all you need to do (In a Bootstrap way)!