[css-2021] Update spec lists

As per resolution in w3c#6243.
See also w3c#5714

Author: frivoal

css-2021/Overview.bs

@@ -292,6 +292,15 @@ Classification of CSS Specifications</h2>
 			such transformations can be used to produce animations
 			that mimic physical phenomena such as momentum
 			or to cause the animation to move in discrete steps producing robot-like movement.
+
+		<dt><a href="https://www.w3.org/TR/css-counter-styles-3/">CSS Counter Styles Level 3</a>
+		  [[!CSS-COUNTER-STYLES-3]]
+		<dd>
+			Introduces the ''@counter-style'' rule,
+			which allows authors to define their own custom counter styles
+			for use with CSS list-marker and generated-content counters [[CSS-LISTS-3]].
+			It also predefines a set of common counter styles,
+			including the ones present in CSS2 and CSS2.1.
 	</dl>
 
 <h3 id=fairly-stable>
@@ -330,15 +339,6 @@ Fairly Stable Modules with limited implementation experience</h3>
 			Extends and supersedes [[CSS-WRITING-MODES-3]],
 			adding more options for vertical writing.
 
-		<dt><a href="https://www.w3.org/TR/css-sizing-3/">CSS Box Sizing Level 3</a>
-		  [[!CSS-SIZING-3]]
-		<dd>
-			Overlays and extends CSS&sect;10.,
-			expanding the value set of the sizing properties,
-			introducing more precise sizing terminology,
-			and defining with more precision and detail
-			various automatic sizing concepts only vaguely defined in CSS2.
-
 		<dt><a href="https://www.w3.org/TR/css-break-3/">CSS Fragmentation Module Level 3</a>
 		  [[CSS-BREAK-3]]
 		<dd>
@@ -395,6 +395,12 @@ Fairly Stable Modules with limited implementation experience</h3>
 		<dd>
 			Replaces CSS2&sect;A,
 			overhauling the (non-normative) speech rendering chapter.
+
+		<dt><a href="https://www.w3.org/TR/css-scrollbars-1/">CSS Scrollbars Styling Module Level 1</a>
+		  [[CSS-SCROLLBARS-1]]
+		<dd>
+			Defines properties to influence the visual styling of scrollbars,
+			introducing controls for their color and width.
 	</dl>
 
 <h3 id=rough-interop>
@@ -441,6 +447,69 @@ Modules with Rough Interoperability</h3>
 		  [[CSS-FONT-LOADING-3]]
 		<dd>
 			Introduces events and interfaces used for dynamically loading font resources.
+
+		<dt><a href="https://www.w3.org/TR/css-sizing-3/">CSS Box Sizing Level 3</a>
+		  [[!CSS-SIZING-3]]
+		<dd>
+			Overlays and extends CSS&sect;10.,
+			expanding the value set of the sizing properties,
+			introducing more precise sizing terminology,
+			and defining with more precision and detail
+			various automatic sizing concepts only vaguely defined in CSS2.
+
+
+		<dt><a href="https://www.w3.org/TR/css-transforms-2/">CSS Transforms Level 2</a>
+		  [[!CSS-TRANSFORMS-2]]
+		<dd>
+			Builds upon [[CSS-TRANSFORMS-1]]
+			to add new transform functions and properties for three-dimensional transforms,
+			and convenience functions for simple transforms.
+
+		<dt><a href="https://www.w3.org/TR/css-lists-3/">CSS Lists and Counters Module Level 3</a>
+		  [[!CSS-LISTS-3]]
+		<dd>
+			Contains CSS features related to list counters:
+			styling them,
+			positioning them,
+			and manipulating their value.
+
+		<dt><a href="https://www.w3.org/TR/css-logical-1/">CSS Logical Properties and Values Level 1</a>
+		  [[!CSS-LOGICAL-1]]
+		<dd>
+			Introduces logical properties and values
+			that provide the author with the ability to control layout through logical,
+			rather than physical,
+			direction and dimension mappings.
+			Also defines logical properties and values for the features defined in [[CSS2]].
+			These properties are writing-mode relative equivalents
+			of their corresponding physical properties.
+
+		<dt><a href="https://www.w3.org/TR/css-position-3/">CSS Positioned Layout Module Level 3</a>
+		  [[!CSS-POSITION-3]]
+		<dd>
+			Contains defines coordinate-based positioning and offsetting schemes of CSS:
+			[=relative positioning=],
+			[=sticky positioning=],
+			[=absolute positioning=],
+			and [=fixed positioning=].
+
+		<dt><a href="https://www.w3.org/TR/resize-observer-1/">Resize Observer</a>
+		  [[!RESIZE-OBSERVER-1]]
+		<dd>
+			This specification describes an API for observing changes to element’s principal box's size.
+
+		<dt><a href="https://www.w3.org/TR/web-animations-1/">Web Animations</a>
+		  [[!WEB-ANIMATIONS-1]]
+		<dd>
+			Defines a model for synchronization and timing of changes to the presentation of a Web page.
+			Also defines an application programming interface for interacting with this model.
+
+		<dt><a href="https://www.w3.org/TR/css-fonts-4/">CSS Fonts Module Level 4</a>
+		  [[!CSS-FONTS-4]]
+		<dd>
+			Extends and supersedes CSS Fonts 3
+			and provides more control over font choice and feature selection,
+			including support for OpenType variations.
 	</dl>
 
 <h3 id="css-levels">