Apply readable colors to text in dropdown list with dark color scheme #3291

Author: piroor

webextensions/resources/ui-color.css

@@ -392,4 +392,10 @@ hr {
     --bg-color: var(--in-content-page-background);
     --text-color: var(--in-content-text-color);
   }
+
+  /* Dropdown popups have blight colors on the dark mode. We define readable combination of colors for safety. */
+  option:not(:hover):not(:focus):not(:active) {
+    background: canvas;
+    color: canvastext;
+  }
 }