l quarto-sidebar-collapse-item sidebar-navigation floating overflow-auto">
    <div class="pt-lg-2 mt-2 text-left sidebar-header">
    <div class="sidebar-title mb-0 py-0">
      <a href="./">Lessons in Statistical Thinking</a> 
        <div class="sidebar-tools-main">
    <a href="https://github.com/dtkaplan/Lessons-in-statistical-thinking/" title="Source Code" class="quarto-navigation-tool px-1" aria-label="Source Code"><i class="bi bi-github"></i></a>
</div>
    </div>
      </div>
        <div class="mt