<h1></h1> <h2></h2> <h3></h3> <h4></h4> <h5></h5> <h6></h6> <h1 class="display-1"></h1> <h2 class="display-2"></h2> <h3 class="display-3"></h3> <h4 class="display-4"></h4> <mark></mark> Highlight key concepts with our intuitive marking tools.
<del></del> Access information that has been updated or superseded.
<s></s> Review content that is no longer the most current.
<ins></ins> Incorporate new insights and additions to your learning materials.
<u></u> Emphasize important details with clear underlining.
<small></small> View supplementary information in a concise format.
<strong></strong> Present critical data in bold text.
<em></em> Convey nuanced points through italicized text.