保存主页布局的button居中对齐

src/views/page-config/component/ConfigDrawer.vue

@@ -129,7 +129,9 @@
           </div>
         </div>
       </div>
-      <el-button type="primary" class="save-dialog" @click="saveWorkshopConfig">保存</el-button>
+      <div class="save-dialog-wrapper">
+        <el-button type="primary" class="save-dialog" @click="saveWorkshopConfig">保存</el-button>
+      </div>
     </el-dialog>
   </div>
 </template>
@@ -348,10 +350,9 @@
     display: flex;
   }
 
-  .save-dialog {
-    position: absolute;
-    left: 105px;
-    bottom: 35px;
+  .save-dialog-wrapper {
+    margin-top: 40px;
+    text-align: center;
   }
 
   .active {