class->className 변경

client/src/components/Card/StudyPlanCard.js

@@ -49,14 +49,13 @@ 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>
           </div>
         </div>
       </div>
-
     </>
   )
 }