2.5.12 base.text.small Small text
For de-emphasizing inline or blocks of text, use the <small> element to set
text at 80% the size of the parent.
Example
This line of text is meant to be treated as fine print.
Markup: base/text/text-small.twig
<span class="xml"><span class="hljs-tag"><<span class="hljs-name">small</span> <span class="hljs-attr">class</span>=<span class="hljs-string">"</span></span></span><span class="hljs-template-variable">{{modifier_class}}</span><span class="xml"><span class="hljs-tag"><span class="hljs-string">"</span>></span>This line of text is meant to be treated as fine print.<span class="hljs-tag"></<span class="hljs-name">small</span>></span>
</span>
Source:
base/text/_text.scss, line 197