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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Implement CSS background-position-x/-y two-value syntax and edge offsets"
href="https://bugs.webkit.org/show_bug.cgi?id=157511">157511</a>
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<th>Summary</th>
<td>Implement CSS background-position-x/-y two-value syntax and edge offsets
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>OS X 10.11
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>CSS
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>50167214@qq.com
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<pre>We must be support two-value syntax and edge offsets for background-position-x/-y.
e.g.
background-position-x: right 30px;
background-position-x: -95px, center, right 30px, ...;
Spec: <a href="https://drafts.csswg.org/css-backgrounds-4/#background-position-longhands">https://drafts.csswg.org/css-backgrounds-4/#background-position-longhands</a>
MDN: <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/background-position-x">https://developer.mozilla.org/en-US/docs/Web/CSS/background-position-x</a>
<a href="https://developer.mozilla.org/en-US/docs/Web/CSS/background-position-y">https://developer.mozilla.org/en-US/docs/Web/CSS/background-position-y</a>
Browser compatibility
Firefox 49 Yes
IE 9 Yes
Edge Yes
Chrome No
Opera 12.1 No</pre>
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