Update app.py

app.py

@@ -167,6 +167,15 @@ window.addEventListener('load', () => {
 
 CSS="""
 <style>
+    :root{
+    	--primary-600:green !important;
+    	--button-primary-background-fill:cyan !important;
+    	--link:#777;
+    	--linkHover:#222;
+    	--footer:#999;
+    	--footerLink:#777;
+    }
+
     .image-monitor {
         border:1px solid red;
     }