view">
      <h1>Advanced text semantics</h1>

      <p>Let's start with a quote:</p>

      <p>HTML, Hypertext Markup Language is by default accessible, if used correctly.</p>

      <p>CSS can also be used to make web pages more, or less, accessible.</p>

      <p>Chemical Formulae: H2O (Water), C2H6O (Ethanol).</p>

      <p>Dates: December 25th 2019 (Christmas Day), November 2nd 2019 (Día de los Muertos).</p>
    </section>

    <textarea class="playable playable-css" style="height: 130px;">
h1 {
  fon