or navbar -->
        <div class="mid">
            <ul class="navbar">
                <li><a href="#">Home</a></li>
                <li><a href="#">About Us</a></li>
                <li><a href="#">Fitness Calculator</a></li>
                <li><a href="#">Contact Us</a></li>
            </ul>
        </div>

        <!-- Right box for buttons -->
        <div class="right">
            <button class="btn">Call Us Now</button>
            <button class="btn">Email Us</button>
        </div>
    </header>