design: 퀴즈 생성 컴포넌트 디자인 수정

frontend/src/components/QuizForm/QuizsetForm.jsx

@@ -79,7 +79,7 @@ export default function QuizsetForm({ headerTitle, topic, to, onSubmit, initialV
         </div>
         <button
           type="submit"
-          className={`${styles.button} ${styles.add} ${styles.create}`}
+          className={`${styles.button} ${styles.add}`}
         >
           <EditIcon />
           <div>퀴즈 생성하기</div>

frontend/src/components/QuizForm/QuizsetForm.module.css

@@ -109,10 +109,6 @@
   stroke: var(--on-primary);
 }
 
-.create {
-  margin-top: 60px;
-}
-
 .edit {
   font-size: 32px;
 }