Fixes Microsoft/monaco-editor#439

src/vs/base/browser/ui/menu/menu.css

@@ -51,7 +51,6 @@
 	display: inline-block;
 	-ms-flex: 2 1 auto;
 	flex: 2 1 auto;
-	opacity: 0.7;
 	padding: 0.8em 1em;
 	line-height: 1.1em;
 	font-size: 12px;

src/vs/editor/browser/standalone/media/standalone-tokens.css

@@ -9,8 +9,17 @@
 	font-family: system-ui, "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", "Ubuntu", "Droid Sans", sans-serif;
 }
 
-.monaco-menu .monaco-action-bar.vertical .action-item [tabindex="0"]:focus {
-	color: deepskyblue;
+.monaco-menu .monaco-action-bar.vertical .action-item .action-label:focus {
+	color: #0059AC;
+	stroke-width: 1.2px;
+	text-shadow: 0px 0px 0.15px #0059AC;
+}
+
+.monaco-editor.vs-dark .monaco-menu .monaco-action-bar.vertical .action-item .action-label:focus,
+.monaco-editor.hc-black .monaco-menu .monaco-action-bar.vertical .action-item .action-label:focus {
+	color: #ACDDFF;
+	stroke-width: 1.2px;
+	text-shadow: 0px 0px 0.15px #ACDDFF;
 }
 
 .monaco-editor-hover p {