保存进度！

code/web/car_dealer/css/todo-list/to-list.css

@@ -2,7 +2,7 @@
  * @Author: Kane
  * @Date: 2022-10-21 16:39:27
  * @LastEditors: Kane
- * @LastEditTime: 2022-10-23 00:10:50
+ * @LastEditTime: 2022-10-23 15:26:59
  * @FilePath: \car_dealer\css\todo-list\to-list.css
  * @Description: 用于待办事项页面的css！
  * 
@@ -158,3 +158,30 @@ hr {
     text-align: right;
     margin: 0px 1rem;
 }
+
+#message_border {
+    position: fixed;
+    display: none;
+    left: 0px;
+    top: 0px;
+    right: 0px;
+    bottom: 0px;
+    background-color: rgba(128, 128, 128, 0.8);
+    justify-content: center;
+    align-items: center;
+}
+
+.message_box {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    background-color: var(--backupground-color);
+    padding: 2rem;
+    border-radius: 5px;
+}
+
+.message_box > button {
+    padding: 0.5rem 2rem;
+    font-size: 1rem;
+}