Example
H1
H2
H3
H4
H5
H6
Markup
<div class="h1">H1</div>
<div class="h2">H2</div>
<div class="h3">H3</div>
<div class="h4">H4</div>
<div class="h5">H5</div>
<div class="h6">H6</div>
Source:
scss/components/_titles.scss, line 1