use 128x128px instead of 16x16px icons for the toolbar

extension/ui/bg/ui-button.js

@@ -22,8 +22,8 @@
 
 singlefile.ui.button = (() => {
 
-	const DEFAULT_ICON_PATH = "/extension/ui/resources/icon_16.png";
-	const WAIT_ICON_PATH_PREFIX = "/extension/ui/resources/icon_16_wait";
+	const DEFAULT_ICON_PATH = "/extension/ui/resources/icon_128.png";
+	const WAIT_ICON_PATH_PREFIX = "/extension/ui/resources/icon_128_wait";
 	const DEFAULT_TITLE = browser.i18n.getMessage("buttonDefaultTooltip");
 	const DEFAULT_COLOR = [2, 147, 20, 255];
 

manifest.json

@@ -94,7 +94,7 @@
 		"open_in_tab": false
 	},
 	"browser_action": {
-		"default_icon": "extension/ui/resources/icon_16.png",
+		"default_icon": "extension/ui/resources/icon_128.png",
 		"default_title": "__MSG_buttonDefaultTooltip__"
 	},
 	"commands": {