feat: create 일정추가모달 css

src/pages/addModal.module.css

+/* ScheduleModal.css (예시 파일명) */
+
+.modal{
+  display: none;
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.5); /* 반투명한 배경 */
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+}
+
+.modal.open{
+  display: flex;
+}
+
+.modal_content {
+  background-color: white;
+  padding: 20px;
+  border-radius: 5px;
+  position: relative;
+  width: 300px;
+
+}
+
+label {
+  display: block;
+  margin-bottom: 5px;
+}
+
+input {
+  width: 100%;
+  margin-bottom: 10px;
+  padding: 8px;
+  box-sizing: border-box;
+}
+.save{
+  background-color:#8393BE;
+  margin-left:190px;
+  border:none;
+  color: white;
+  width: 50px;
+  height: 24px;
+  cursor: pointer;
+  border: none;
+  border-radius: 5px;
+  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2); /* 그림자 추가 */
+  transition: background-color 0.3s, color 0.3s, transform 0.3s;
+
+}
+
+.cancel{
+  background-color:#F97E7E;
+  margin-left:10px;
+  border:none;
+  color: white;
+  width: 50px;
+  height: 24px;
+  cursor: pointer;
+  border: none;
+  border-radius: 5px;
+  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2); /* 그림자 추가 */
+  transition: background-color 0.3s, color 0.3s, transform 0.3s;
+
+}