更改项目管理卡片按钮背景颜色

src/views/ProjectManagement.vue

@@ -266,7 +266,7 @@
             width: 100%;
             justify-content: center;
             align-items: center;
-            background-color:#dfdfdf ;
+            background-color:#F5F4F4 ;
             .bt1{
               width: 100px;
               height: 35px;