[css-2022][editorial] dedup IDs w3c#7883

Author: svgeesus

css-2022/Overview.bs

@@ -174,7 +174,7 @@ Classification of CSS Specifications</h2>
 	can be found at the <a href="http://www.w3.org/Style/CSS/current-work">CSS Current Work page</a>.
 
 
-<h3 id="css">Cascading Style Sheets (CSS) &mdash; The Official Definition</h3>
+<h3 id=css-official>Cascading Style Sheets (CSS) &mdash; The Official Definition</h3>
 
 	This profile includes only specifications that we consider stable
 	<em>and</em> for which we have enough implementation experience that we are sure of that stability.
@@ -363,7 +363,7 @@ Fairly Stable Modules with limited implementation experience</h3>
 	The following modules have completed design work,
 	and are fairly stable,
 	but have not received much testing and implementation experience yet.
-	We hope to incorporate them into the [[#css|official definition of CSS]] in a future snapshot.
+	We hope to incorporate them into the [[#css-official|official definition of CSS]] in a future snapshot.
 
 	<dl>
 		<dt><a href="https://www.w3.org/TR/mediaqueries-4/">Media Queries Level 4</a>
@@ -451,7 +451,7 @@ Modules with Rough Interoperability</h3>
 	Although the following modules have been widely deployed with <a>rough interoperability</a>,
 	their details are not fully worked out or sufficiently well-specified
 	and they need more testing and bugfixing.
-	We hope to incorporate them into the [[#css|official definition of CSS]] in a future snapshot.
+	We hope to incorporate them into the [[#css-official|official definition of CSS]] in a future snapshot.
 
 	<dl>
 		<dt><a href="https://www.w3.org/TR/css-transitions-1/">CSS Transitions Level 1</a>