<nav class="ss-c-scrollspy">
            <ul class="ss-c-scrollspy__nav">
                <li><a href="#sec-a">Section A</a></li>
                <li><a href="#sec-b">Section B</a></li>
                <li><a href="#sec-c">Section C</a></li>
            </ul>
            <div class="ss-c-scrollspy__progress-bar"></div>
            <div class="ss-c-scrollspy__progress-dots"></div>
        </nav>