修改论坛、促销、登录,增加测试

Change-Id: I71883fc1da46a94db47f90a4cd61474c274a5b2c
diff --git a/src/pages/Forum/posts-detail/PostDetailPage.css b/src/pages/Forum/posts-detail/PostDetailPage.css
index 780492b..570b65f 100644
--- a/src/pages/Forum/posts-detail/PostDetailPage.css
+++ b/src/pages/Forum/posts-detail/PostDetailPage.css
@@ -1,5 +1,5 @@
    .post-detail-page {
-    background: linear-gradient(180deg, #5F4437, #823c3c);
+    background: #333;
     font-family: 'Helvetica Neue', sans-serif;
     color: #333;
   }