className수정

client/src/components/Card/StudyPlanCard.js

@@ -49,7 +49,7 @@ const StudyPlanCard = () => {
             <p className="card-subtitle ms-1 mb-2 text-muted">임치헌 - 과학기술2관 323호</p>
             <Link className="text-decoration-none link-dark" to="/studyplan/edit">
               <div className="d-flex">
-                <i class="bi bi-plus"></i>
+                <i className="bi bi-plus"></i>
                 <p className="card-text mb-1">새로운 계획 추가하기</p>
               </div>
             </Link>

client/src/components/StudyPlanList.js

@@ -12,7 +12,7 @@ const StudyPlanList = () => {
           <div className="card">
             <div className="card-body d-flex flex-column bg-secondary bg-opacity-25 ">
               <div>
-                <i class="bi bi-plus-lg d-flex justify-content-center fs-3"></i>
+                <i className="bi bi-plus-lg d-flex justify-content-center fs-3"></i>
                 <p className="card-text mt-2 text-center">새로운 과목 추가하기</p>
               </div>
             </div>