127649 2014-01-26 05:20:57 -0800 background-position doesn't support "center 50% top" 2014-02-07 14:05:21 -0800 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) Unspecified Unspecified RESOLVED INVALID P2 Normal --- 1 krit webkit-unassigned betravis bjonesbe rwlbuis zoltan oldest_to_newest 972180 0 krit 2014-01-26 05:20:57 -0800 background-position doesn't support "center 50% top". This is also the case for basic shapes that use the same syntax. 972181 1 krit 2014-01-26 05:21:58 -0800 Ditto for center "50px center 50%". 972182 2 krit 2014-01-26 05:22:23 -0800 (In reply to comment #1) > Ditto for center "50px center 50%". Sorry, meant "center 50px center 50%". 972183 3 krit 2014-01-26 05:27:41 -0800 "top 50px", "center 50% top 50%" don't work either 972438 4 betravis 2014-01-27 09:53:52 -0800 Offsets from center are not allowed as part of the background position syntax. See: http://www.w3.org/TR/css3-background/#the-background-position 978035 5 zoltan 2014-02-07 14:05:21 -0800 (In reply to comment #4) > Offsets from center are not allowed as part of the background position syntax. See: > http://www.w3.org/TR/css3-background/#the-background-position That's the point. Closing the bug as invalid.