diff --git a/html/constants.js b/html/constants.js
index 18a55a3..e6a077c 100644
--- a/html/constants.js
+++ b/html/constants.js
@@ -13,8 +13,8 @@ const constants = {
 	LABEL_SIZE: 20,
 	OAUTH_REDIRECT_URI: "",
 	OAUTH_URL: "",
-	SCREEN_HEIGHT: 1080,
-	SCREEN_WIDTH: 1920,
+	SCREEN_HEIGHT: window.innerHeight,
+	SCREEN_WIDTH: window.innerWidth,
 	STROKE_COLOR: "#000",
 	STROKE_THICKNESS: 6,
 	TIMEOUT_MAX: 5000,