t-col-a">
                <span class="example-label">col-a</span>
            </main>

            <aside class="layout-col layout-col-b">
                <span class="example-label">col-b</span>
            </aside>
        </div>
    </section>

    <hr class="sr-only">

    <section class="example-layout" id="example-layout-3b">
        <h2 class="hd-5 example-layout-hd">1/3 + 2/3 Layout (Flush)</h2>
        <div class="layout-1t2t layout-flush">

            <main class="layout-col layout-col-a">
     