403、404頁面完成

css/style.css

@@ -732,6 +732,15 @@ article .welcome-topic .welcome-pic {
   margin-top: 85px;
 }
 
+article .erron-cont {
+  padding: 0 20px;
+  font-size: 24px;
+  -webkit-box-align: center;
+      -ms-flex-align: center;
+          align-items: center;
+  margin-top: 98px;
+}
+
 article .account-area {
   display: none;
 }

css/style.scss

@@ -819,6 +819,17 @@ article {
         }
     }
 
+    .erron-cont {
+        padding: 0 20px;
+        font-size: 24px;
+        // display: flex;
+        // flex-direction: row;
+        // justify-content: center;
+        align-items: center;
+        margin-top: 98px; 
+        
+    }
+
 }
 
 // nav {

welcome.html

@@ -53,7 +53,7 @@
                         <!-- <div class="item-bg"></div> -->
                     </li>
                     <li>
-                        <a href="edu-manage.html" class="items active"><img src="images/icon/side-HRM.svg">教育平台管理</a>
+                        <a href="edu-manage.html" class="items"><img src="images/icon/side-HRM.svg">教育平台管理</a>
                     </li>
                     <li>
                         <a href="HRMS-manage.html" class="items"><img src="images/icon/side-member.svg">HRMS管理</a>