Merge pull request microsoft#188524 from microsoft/disappointed-chicken

hover CSS for nb sticky line

Author: rebornix

src/vs/workbench/contrib/notebook/browser/media/notebookEditorStickyScroll.css

@@ -11,6 +11,19 @@
 	box-sizing: border-box;
 	z-index: var(--z-index-notebook-sticky-scroll);
 	width: 100%;
-	padding-left: 12px;
 	font-family: var(--notebook-cell-input-preview-font-family);
 }
+.monaco-workbench
+	.notebookOverlay
+	.notebook-sticky-scroll-container
+	.notebook-sticky-scroll-line {
+	padding-left: 12px;
+}
+
+.monaco-workbench
+	.notebookOverlay
+	.notebook-sticky-scroll-container
+	.notebook-sticky-scroll-line:hover {
+	background-color: var(--vscode-editorStickyScrollHover-background);
+	cursor: pointer;
+}