Update interfaces/web/wui/css/screen.css
Update interfaces/web/wui/css/screen.css

Add the css styling of feedback-box

Former-commit-id: 95ce3bf5c8ea27becf4d83b958e298085f4182b1
muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous