Remove unused imports and changed and improved layout design and responsiveness in some components and fixed some bugs.

src/components/ExamEditor/SettingsEditor/index.tsx

@@ -95,7 +95,7 @@ const SettingsEditor: React.FC<SettingsEditorProps> = ({
     }, [updateLocalAndScheduleGlobal]);
 
     return (
-        <div className={`flex flex-col gap-8 border bg-ielts-${module}/20 rounded-3xl p-8 w-1/3 h-fit`}>
+        <div className={`flex flex-col gap-8 border bg-ielts-${module}/20 rounded-3xl p-8 w-1/3 h-fit -2xl:w-full`}>
             <div className={`w-full flex justify-center text-ielts-${module} font-bold text-xl`}>{sectionLabel} Settings</div>
             <div className="flex flex-col gap-4">
                 <Dropdown