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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Half-pixel borders rounded to 0 on non-retina screen"
   href="https://bugs.webkit.org/show_bug.cgi?id=151150">151150</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Half-pixel borders rounded to 0 on non-retina screen
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Safari 9
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Layout and Rendering
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>nvasilyev&#64;apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dino&#64;apple.com
          </td>
        </tr></table>
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        <div>
        <pre>Reduction:
data:text/html,&lt;div%20style=&quot;border:0.5px%20solid%20black&quot;&gt;Box&lt;/div&gt;

Actual:
The black border is invisible on non-retina screen.

Expected:
Ideally, I'd love to see the border to be half transparent black border on non-retina screen. E.g.: border: 1px solid rgba(0,0,0,0.5)

Notes:
In Web Inspector, I had to define lots of retina-specific half-pixel borders inside of &quot;&#64;media (-webkit-min-device-pixel-ratio: 2)&quot;. Would be nice I didn't have to do it.</pre>
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