fix: style/repo.css: update background color to white

Author: lazhenyi

src/style/repo.css

@@ -190,7 +190,7 @@
     align-items: center;
     align-content: center;
     height: 50px;
-    background-color: white
+    background-color: white;
     width: 100%;
     padding: 0 20px;
     .repo-set-header-title {