Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/CSS/CSSStyleDeclaration.idl

@@ -0,0 +1,22 @@
+// https://drafts.csswg.org/cssom/#cssstyledeclaration
+[Exposed=Window]
+interface CSSStyleDeclaration {
+
+    [CEReactions] attribute CSSOMString cssText;
+
+    readonly attribute unsigned long length;
+    getter CSSOMString item(unsigned long index);
+
+    CSSOMString getPropertyValue(CSSOMString property);
+    CSSOMString getPropertyPriority(CSSOMString property);
+
+    [CEReactions] undefined setProperty(CSSOMString property, [LegacyNullToEmptyString] CSSOMString value, optional [LegacyNullToEmptyString] CSSOMString priority = "");
+    [CEReactions] CSSOMString removeProperty(CSSOMString property);
+
+    readonly attribute CSSRule? parentRule;
+
+    // NOTE: cssFloat is implemented manually in the bindings code, along with the other property accessors.
+    //       Hence, this does not need to be implemented.
+    // [CEReactions, LegacyNullToEmptyString] attribute CSSOMString cssFloat;
+
+};