{"id":18416764,"date":"2025-04-15T07:39:53","date_gmt":"2025-04-15T07:39:53","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/css-error-false-positive\/"},"modified":"2025-04-15T07:40:37","modified_gmt":"2025-04-15T07:40:37","slug":"css-error-false-positive","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/css-error-false-positive\/","title":{"rendered":"CSS Error false positive"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hello,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I am using WordPress 6.7.2 and PHP 8.3. I have the following error showing:<br \/><code>Error: CSS: contain-intrinsic-size: Property contain-intrinsic-size doesn't exist.<\/code><br \/>This appears in  <code>wp-includes\/media.php line 268<\/code><br \/>This denoted as an error from the Nu Html Checker. <br \/>It is listed in the W3C Working Draft,&nbsp;20 May 2021 CSS Box Sizing Module Level 4.<br \/>Does this mean the Checker is not up-to-date?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br \/> <\/p>\n","protected":false},"template":"","class_list":["post-18416764","topic","type-topic","status-publish","hentry","topic-tag-false-positive"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18416764","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18416764\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18416764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}