Group options and exercises together in sections

    <div id="controls">

        <h1><span id="testName"></span> <i class="bi bi-question-circle clickable" data-action="welcome-again" title="Willkommensnachricht erneut zeigen"></i></h1>

        <section class="exercises">

            <h2>Aufgaben</h2>

            <div id="exercises"></div>

        </section>

        <section class="options">

            <h2>Optionen</h2>

            <button data-action="hand-in">Abgeben</button>

        </section>

    </div>

    <div class="ribbon">Pre-Alpha</div>