doc: add scroll margin to links

PR-URL: #58982
Reviewed-By: Claudio Wunder <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ulises Gascón <[email protected]>
Reviewed-By: Tierney Cyren <[email protected]>

Author: silverwind

doc/api_assets/style.css

@@ -373,6 +373,11 @@ p {
   padding-bottom: 2rem;
 }
 
+/* prevent the module-level sticky stability header from overlapping the section headers when clicked */
+#apicontent:has(> .api_stability) a {
+  scroll-margin-top: 50px;
+}
+
 table {
   border-collapse: collapse;
   margin: 0 0 1.5rem;
@@ -837,6 +842,9 @@ kbd {
   .api_stability {
     top: 0;
   }
+  #apicontent a {
+    scroll-margin-top: 0;
+  }
 }
 
 @media not screen, (max-height: 1000px) {