By default, links are black, and not underlined
<a href="#">This is a sample default link</a>
A link into a p tag become underlined, to be clearly identified.
Some text in a paragraph, and so the link are underline
<p>Some text in a paragraph, and so <a href="#">the link are underline</a></p>
Add the class o-link-arrow to a link, add an arrow after the text link.
<a href="#" class="o-link-arrow">This is a sample link with arrow</a>
With back arrow
To convert arrow link to backward link, add back to the link with class o-link-arrow.
<a href="#" class="o-link-arrow back">This is a sample link with arrow for backward</a>