col 사이즈 수정

client/src/components/Buttons/BtnGroup.js

@@ -5,8 +5,8 @@ const BtnGroup = () => {
 
     return (
         <div className="d-flex justify-content-around my-4">
-            <button className="btn btn-white col-4 shadow-none border-dark" type="button" onClick={() => history.goBack()}>취소</button>
-            <button className="btn btn-crimson col-4" type="submit">확인</button>
+            <button className="btn btn-white col-5 shadow-none border-dark" type="button" onClick={() => history.goBack()}>취소</button>
+            <button className="btn btn-crimson col-5" type="submit">등록</button>
         </div>
     )
 }