<p>The browser stylesheets (at least chrome and firefox) uses <code>text-decoration: underline dotted;</code> for <code>abbr</code> styling. So our border-bottom leads to a double under line.<br>
Moving to the same CSS property prevents this.</p>
<p><span aria-label="This pull request closes issue #1771." class="issue-keyword tooltipped tooltipped-se">fixes</span> <a href="https://github.com/openstreetmap/openstreetmap-website/issues/1771" class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="300773412" data-permission-text="Issue title is private" data-url="https://github.com/openstreetmap/openstreetmap-website/issues/1771">#1771</a></p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/openstreetmap/openstreetmap-website/pull/1772'>https://github.com/openstreetmap/openstreetmap-website/pull/1772</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Move abbr style from border to text-decoration</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/1772/files#diff-0">app/assets/stylesheets/common.scss</a>
    (2)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/1772.patch'>https://github.com/openstreetmap/openstreetmap-website/pull/1772.patch</a></li>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/1772.diff'>https://github.com/openstreetmap/openstreetmap-website/pull/1772.diff</a></li>
</ul>

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