1 files changed, 75 insertions, 1 deletions
diff --git a/testing/web-platform/tests/interfaces/css-anchor-position.idl b/testing/web-platform/tests/interfaces/css-anchor-position.idl
index b79e3fce89..5eeaa030b8 100644
--- a/testing/web-platform/tests/interfaces/css-anchor-position.idl
+++ b/testing/web-platform/tests/interfaces/css-anchor-position.idl
@@ -6,5 +6,79 @@
 [Exposed=Window]
 interface CSSPositionTryRule : CSSRule {
   readonly attribute CSSOMString name;
-  [SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
+  [SameObject, PutForwards=cssText] readonly attribute CSSPositionTryDescriptors style;
+};
+
+[Exposed=Window]
+interface CSSPositionTryDescriptors : CSSStyleDeclaration {
+  attribute CSSOMString margin;
+  attribute CSSOMString marginTop;
+  attribute CSSOMString marginRight;
+  attribute CSSOMString marginBottom;
+  attribute CSSOMString marginLeft;
+  attribute CSSOMString marginBlock;
+  attribute CSSOMString marginBlockStart;
+  attribute CSSOMString marginBlockEnd;
+  attribute CSSOMString marginInline;
+  attribute CSSOMString marginInlineStart;
+  attribute CSSOMString marginInlineEnd;
+  attribute CSSOMString margin-top;
+  attribute CSSOMString margin-right;
+  attribute CSSOMString margin-bottom;
+  attribute CSSOMString margin-left;
+  attribute CSSOMString margin-block;
+  attribute CSSOMString margin-block-start;
+  attribute CSSOMString margin-block-end;
+  attribute CSSOMString margin-inline;
+  attribute CSSOMString margin-inline-start;
+  attribute CSSOMString margin-inline-end;
+  attribute CSSOMString inset;
+  attribute CSSOMString insetBlock;
+  attribute CSSOMString insetBlockStart;
+  attribute CSSOMString insetBlockEnd;
+  attribute CSSOMString insetInline;
+  attribute CSSOMString insetInlineStart;
+  attribute CSSOMString insetInlineEnd;
+  attribute CSSOMString top;
+  attribute CSSOMString left;
+  attribute CSSOMString right;
+  attribute CSSOMString bottom;
+  attribute CSSOMString inset-block;
+  attribute CSSOMString inset-block-start;
+  attribute CSSOMString inset-block-end;
+  attribute CSSOMString inset-inline;
+  attribute CSSOMString inset-inline-start;
+  attribute CSSOMString inset-inline-end;
+  attribute CSSOMString width;
+  attribute CSSOMString minWidth;
+  attribute CSSOMString maxWidth;
+  attribute CSSOMString height;
+  attribute CSSOMString minHeight;
+  attribute CSSOMString maxHeight;
+  attribute CSSOMString blockSize;
+  attribute CSSOMString minBlockSize;
+  attribute CSSOMString maxBlockSize;
+  attribute CSSOMString inlineSize;
+  attribute CSSOMString minInlineSize;
+  attribute CSSOMString maxInlineSize;
+  attribute CSSOMString min-width;
+  attribute CSSOMString max-width;
+  attribute CSSOMString min-height;
+  attribute CSSOMString max-height;
+  attribute CSSOMString block-size;
+  attribute CSSOMString min-block-size;
+  attribute CSSOMString max-block-size;
+  attribute CSSOMString inline-size;
+  attribute CSSOMString min-inline-size;
+  attribute CSSOMString max-inline-size;
+  attribute CSSOMString placeSelf;
+  attribute CSSOMString alignSelf;
+  attribute CSSOMString justifySelf;
+  attribute CSSOMString place-self;
+  attribute CSSOMString align-self;
+  attribute CSSOMString justify-self;
+  attribute CSSOMString positionAnchor;
+  attribute CSSOMString position-anchor;
+  attribute CSSOMString insetArea;
+  attribute CSSOMString inset-area;
 };